diff --git a/yarn.lock b/yarn.lock
index 2ea4416..54b2f4a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -12,7 +12,7 @@
 
 "@babel/code-frame@7.0.0-beta.44":
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0-beta.44.tgz#2a02643368de80916162be70865c97774f3adbd9"
+  resolved "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0-beta.44.tgz#2a02643368de80916162be70865c97774f3adbd9"
   dependencies:
     "@babel/highlight" "7.0.0-beta.44"
 
@@ -44,7 +44,7 @@
 
 "@babel/generator@7.0.0-beta.44":
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/@babel/generator/-/generator-7.0.0-beta.44.tgz#c7e67b9b5284afcf69b309b50d7d37f3e5033d42"
+  resolved "https://registry.npmjs.org/@babel/generator/-/generator-7.0.0-beta.44.tgz#c7e67b9b5284afcf69b309b50d7d37f3e5033d42"
   dependencies:
     "@babel/types" "7.0.0-beta.44"
     jsesc "^2.5.1"
@@ -100,7 +100,7 @@
 
 "@babel/helper-function-name@7.0.0-beta.44":
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.44.tgz#e18552aaae2231100a6e485e03854bc3532d44dd"
+  resolved "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.0.0-beta.44.tgz#e18552aaae2231100a6e485e03854bc3532d44dd"
   dependencies:
     "@babel/helper-get-function-arity" "7.0.0-beta.44"
     "@babel/template" "7.0.0-beta.44"
@@ -116,7 +116,7 @@
 
 "@babel/helper-get-function-arity@7.0.0-beta.44":
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.44.tgz#d03ca6dd2b9f7b0b1e6b32c56c72836140db3a15"
+  resolved "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0-beta.44.tgz#d03ca6dd2b9f7b0b1e6b32c56c72836140db3a15"
   dependencies:
     "@babel/types" "7.0.0-beta.44"
 
@@ -207,7 +207,7 @@
 
 "@babel/helper-split-export-declaration@7.0.0-beta.44":
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0-beta.44.tgz#c0b351735e0fbcb3822c8ad8db4e583b05ebd9dc"
+  resolved "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.0.0-beta.44.tgz#c0b351735e0fbcb3822c8ad8db4e583b05ebd9dc"
   dependencies:
     "@babel/types" "7.0.0-beta.44"
 
@@ -236,7 +236,7 @@
 
 "@babel/highlight@7.0.0-beta.44":
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0-beta.44.tgz#18c94ce543916a80553edcdcf681890b200747d5"
+  resolved "https://registry.npmjs.org/@babel/highlight/-/highlight-7.0.0-beta.44.tgz#18c94ce543916a80553edcdcf681890b200747d5"
   dependencies:
     chalk "^2.0.0"
     esutils "^2.0.2"
@@ -586,7 +586,7 @@
 
 "@babel/template@7.0.0-beta.44":
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/@babel/template/-/template-7.0.0-beta.44.tgz#f8832f4fdcee5d59bf515e595fc5106c529b394f"
+  resolved "https://registry.npmjs.org/@babel/template/-/template-7.0.0-beta.44.tgz#f8832f4fdcee5d59bf515e595fc5106c529b394f"
   dependencies:
     "@babel/code-frame" "7.0.0-beta.44"
     "@babel/types" "7.0.0-beta.44"
@@ -604,7 +604,7 @@
 
 "@babel/traverse@7.0.0-beta.44":
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/@babel/traverse/-/traverse-7.0.0-beta.44.tgz#a970a2c45477ad18017e2e465a0606feee0d2966"
+  resolved "https://registry.npmjs.org/@babel/traverse/-/traverse-7.0.0-beta.44.tgz#a970a2c45477ad18017e2e465a0606feee0d2966"
   dependencies:
     "@babel/code-frame" "7.0.0-beta.44"
     "@babel/generator" "7.0.0-beta.44"
@@ -634,7 +634,7 @@
 
 "@babel/types@7.0.0-beta.44":
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/@babel/types/-/types-7.0.0-beta.44.tgz#6b1b164591f77dec0a0342aca995f2d046b3a757"
+  resolved "https://registry.npmjs.org/@babel/types/-/types-7.0.0-beta.44.tgz#6b1b164591f77dec0a0342aca995f2d046b3a757"
   dependencies:
     esutils "^2.0.2"
     lodash "^4.2.0"
@@ -1600,11 +1600,11 @@ babel-plugin-macros@^2.0.0:
 
 babel-plugin-syntax-dynamic-import@^6.18.0:
   version "6.18.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-dynamic-import/-/babel-plugin-syntax-dynamic-import-6.18.0.tgz#8d6a26229c83745a9982a441051572caa179b1da"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-dynamic-import/-/babel-plugin-syntax-dynamic-import-6.18.0.tgz#8d6a26229c83745a9982a441051572caa179b1da"
 
 babel-plugin-syntax-jsx@^6.18.0:
   version "6.18.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-jsx/-/babel-plugin-syntax-jsx-6.18.0.tgz#0af32a9a6e13ca7a3fd5069e62d7b0f58d0d8946"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-jsx/-/babel-plugin-syntax-jsx-6.18.0.tgz#0af32a9a6e13ca7a3fd5069e62d7b0f58d0d8946"
 
 babel-plugin-transform-vue-jsx@^4.0.1:
   version "4.0.1"
@@ -1666,7 +1666,7 @@ babel-types@^6.26.0:
 
 babylon@7.0.0-beta.44:
   version "7.0.0-beta.44"
-  resolved "http://registry.npmjs.org/babylon/-/babylon-7.0.0-beta.44.tgz#89159e15e6e30c5096e22d738d8c0af8a0e8ca1d"
+  resolved "https://registry.npmjs.org/babylon/-/babylon-7.0.0-beta.44.tgz#89159e15e6e30c5096e22d738d8c0af8a0e8ca1d"
 
 babylon@7.0.0-beta.47:
   version "7.0.0-beta.47"
@@ -1680,15 +1680,15 @@ balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
 
-base64-js@0.0.8:
-  version "0.0.8"
-  resolved "https://registry.npmjs.org/base64-js/-/base64-js-0.0.8.tgz#1101e9544f4a76b1bc3b26d452ca96d7a35e7978"
-
 base64-js@1.2.0:
   version "1.2.0"
   resolved "https://registry.npmjs.org/base64-js/-/base64-js-1.2.0.tgz#a39992d723584811982be5e290bb6a53d86700f1"
 
-base64-js@^1.0.2, base64-js@^1.2.3:
+base64-js@^1.0.2:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.3.1.tgz#58ece8cb75dd07e71ed08c736abc5fac4dbf8df1"
+
+base64-js@^1.2.3:
   version "1.3.0"
   resolved "https://registry.npmjs.org/base64-js/-/base64-js-1.3.0.tgz#cab1e6118f051095e58b5281aea8c1cd22bfc0e3"
 
@@ -1731,8 +1731,8 @@ binary-extensions@^1.0.0:
   resolved "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.11.0.tgz#46aa1751fb6a2f93ee5e689bb1087d4b14c6c205"
 
 bl@^1.0.0:
-  version "1.2.2"
-  resolved "https://registry.npmjs.org/bl/-/bl-1.2.2.tgz#a160911717103c07410cef63ef51b397c025af9c"
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/bl/-/bl-1.2.3.tgz#1e8dd80142eac80d7158c9dccc047fb620e035e7"
   dependencies:
     readable-stream "^2.3.5"
     safe-buffer "^5.1.1"
@@ -1923,7 +1923,7 @@ browserslist@^4.0.0:
 
 buffer-alloc-unsafe@^1.1.0:
   version "1.1.0"
-  resolved "https://registry.npmjs.org/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz#bd7dc26ae2972d0eda253be061dba992349c19f0"
+  resolved "https://registry.yarnpkg.com/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz#bd7dc26ae2972d0eda253be061dba992349c19f0"
 
 buffer-alloc@^1.1.0, buffer-alloc@^1.2.0:
   version "1.2.0"
@@ -1934,11 +1934,11 @@ buffer-alloc@^1.1.0, buffer-alloc@^1.2.0:
 
 buffer-crc32@^0.2.1, buffer-crc32@~0.2.3:
   version "0.2.13"
-  resolved "https://registry.npmjs.org/buffer-crc32/-/buffer-crc32-0.2.13.tgz#0d333e3f00eac50aa1454abd30ef8c2a5d9a7242"
+  resolved "https://registry.yarnpkg.com/buffer-crc32/-/buffer-crc32-0.2.13.tgz#0d333e3f00eac50aa1454abd30ef8c2a5d9a7242"
 
 buffer-fill@^1.0.0:
   version "1.0.0"
-  resolved "https://registry.npmjs.org/buffer-fill/-/buffer-fill-1.0.0.tgz#f8f78b76789888ef39f205cd637f68e702122b2c"
+  resolved "https://registry.yarnpkg.com/buffer-fill/-/buffer-fill-1.0.0.tgz#f8f78b76789888ef39f205cd637f68e702122b2c"
 
 buffer-from@^1.0.0:
   version "1.1.1"
@@ -1952,17 +1952,9 @@ buffer-xor@^1.0.3:
   version "1.0.3"
   resolved "https://registry.npmjs.org/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
 
-buffer@^3.0.1:
-  version "3.6.0"
-  resolved "http://registry.npmjs.org/buffer/-/buffer-3.6.0.tgz#a72c936f77b96bf52f5f7e7b467180628551defb"
-  dependencies:
-    base64-js "0.0.8"
-    ieee754 "^1.1.4"
-    isarray "^1.0.0"
-
 buffer@^4.3.0, buffer@^4.9.0:
   version "4.9.1"
-  resolved "http://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
+  resolved "https://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
   dependencies:
     base64-js "^1.0.2"
     ieee754 "^1.1.4"
@@ -1975,6 +1967,13 @@ buffer@^5.1.0:
     base64-js "^1.0.2"
     ieee754 "^1.1.4"
 
+buffer@^5.2.1:
+  version "5.6.0"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-5.6.0.tgz#a31749dc7d81d84db08abf937b6b8c4033f62786"
+  dependencies:
+    base64-js "^1.0.2"
+    ieee754 "^1.1.4"
+
 builder-util-runtime@4.4.1, builder-util-runtime@^4.4.1:
   version "4.4.1"
   resolved "https://registry.npmjs.org/builder-util-runtime/-/builder-util-runtime-4.4.1.tgz#2770d03241e51fde46acacc7ed3ed8a9f45f02cb"
@@ -2171,7 +2170,7 @@ chalk@2.3.0:
 
 chalk@^1.0.0, chalk@^1.1.3:
   version "1.1.3"
-  resolved "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
+  resolved "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
   dependencies:
     ansi-styles "^2.2.1"
     escape-string-regexp "^1.0.2"
@@ -2412,16 +2411,14 @@ commander@2.17.x, commander@^2.12.1, commander@^2.13.0, commander@^2.14.1, comma
   version "2.17.1"
   resolved "https://registry.npmjs.org/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
 
+commander@^2.8.1:
+  version "2.20.3"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+
 commander@~2.13.0:
   version "2.13.0"
   resolved "https://registry.npmjs.org/commander/-/commander-2.13.0.tgz#6964bca67685df7c1f1430c584f07d7597885b9c"
 
-commander@~2.8.1:
-  version "2.8.1"
-  resolved "https://registry.npmjs.org/commander/-/commander-2.8.1.tgz#06be367febfda0c330aa1e2a072d3dc9762425d4"
-  dependencies:
-    graceful-readlink ">= 1.0.0"
-
 common-tags@^1.4.0:
   version "1.8.0"
   resolved "https://registry.npmjs.org/common-tags/-/common-tags-1.8.0.tgz#8e3153e542d4a39e9b10554434afaaf98956a937"
@@ -2584,7 +2581,7 @@ core-js@~2.3.0:
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
-  resolved "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
+  resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
 
 cosmiconfig@^4.0.0:
   version "4.0.0"
@@ -2954,7 +2951,7 @@ decompress-response@^3.3.0:
 
 decompress-tar@^4.0.0, decompress-tar@^4.1.0, decompress-tar@^4.1.1:
   version "4.1.1"
-  resolved "https://registry.npmjs.org/decompress-tar/-/decompress-tar-4.1.1.tgz#718cbd3fcb16209716e70a26b84e7ba4592e5af1"
+  resolved "https://registry.yarnpkg.com/decompress-tar/-/decompress-tar-4.1.1.tgz#718cbd3fcb16209716e70a26b84e7ba4592e5af1"
   dependencies:
     file-type "^5.2.0"
     is-stream "^1.1.0"
@@ -2962,7 +2959,7 @@ decompress-tar@^4.0.0, decompress-tar@^4.1.0, decompress-tar@^4.1.1:
 
 decompress-tarbz2@^4.0.0:
   version "4.1.1"
-  resolved "https://registry.npmjs.org/decompress-tarbz2/-/decompress-tarbz2-4.1.1.tgz#3082a5b880ea4043816349f378b56c516be1a39b"
+  resolved "https://registry.yarnpkg.com/decompress-tarbz2/-/decompress-tarbz2-4.1.1.tgz#3082a5b880ea4043816349f378b56c516be1a39b"
   dependencies:
     decompress-tar "^4.1.0"
     file-type "^6.1.0"
@@ -2972,7 +2969,7 @@ decompress-tarbz2@^4.0.0:
 
 decompress-targz@^4.0.0:
   version "4.1.1"
-  resolved "https://registry.npmjs.org/decompress-targz/-/decompress-targz-4.1.1.tgz#c09bc35c4d11f3de09f2d2da53e9de23e7ce1eee"
+  resolved "https://registry.yarnpkg.com/decompress-targz/-/decompress-targz-4.1.1.tgz#c09bc35c4d11f3de09f2d2da53e9de23e7ce1eee"
   dependencies:
     decompress-tar "^4.1.1"
     file-type "^5.2.0"
@@ -2980,7 +2977,7 @@ decompress-targz@^4.0.0:
 
 decompress-unzip@^4.0.1:
   version "4.0.1"
-  resolved "https://registry.npmjs.org/decompress-unzip/-/decompress-unzip-4.0.1.tgz#deaaccdfd14aeaf85578f733ae8210f9b4848f69"
+  resolved "https://registry.yarnpkg.com/decompress-unzip/-/decompress-unzip-4.0.1.tgz#deaaccdfd14aeaf85578f733ae8210f9b4848f69"
   dependencies:
     file-type "^3.8.0"
     get-stream "^2.2.0"
@@ -2988,8 +2985,8 @@ decompress-unzip@^4.0.1:
     yauzl "^2.4.2"
 
 decompress@^4.2.0:
-  version "4.2.0"
-  resolved "https://registry.npmjs.org/decompress/-/decompress-4.2.0.tgz#7aedd85427e5a92dacfe55674a7c505e96d01f9d"
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/decompress/-/decompress-4.2.1.tgz#007f55cc6a62c055afa37c07eb6a4ee1b773f118"
   dependencies:
     decompress-tar "^4.0.0"
     decompress-tarbz2 "^4.0.0"
@@ -3462,7 +3459,13 @@ encodeurl@~1.0.2:
   version "1.0.2"
   resolved "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz#ad3ff4c86ec2d029322f5a02c3a9a606c95b3f59"
 
-end-of-stream@^1.0.0, end-of-stream@^1.1.0:
+end-of-stream@^1.0.0:
+  version "1.4.4"
+  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.4.tgz#5ae64a5f45057baf3626ec14da0ca5e4b2431eb0"
+  dependencies:
+    once "^1.4.0"
+
+end-of-stream@^1.1.0:
   version "1.4.1"
   resolved "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.1.tgz#ed29634d19baba463b6ce6b80a37213eab71ec43"
   dependencies:
@@ -3648,7 +3651,7 @@ eslint-visitor-keys@^1.0.0:
 
 eslint@^4.0.0, eslint@^4.19.1, eslint@^4.5.0:
   version "4.19.1"
-  resolved "http://registry.npmjs.org/eslint/-/eslint-4.19.1.tgz#32d1d653e1d90408854bfb296f076ec7e186a300"
+  resolved "https://registry.npmjs.org/eslint/-/eslint-4.19.1.tgz#32d1d653e1d90408854bfb296f076ec7e186a300"
   dependencies:
     ajv "^5.3.0"
     babel-code-frame "^6.22.0"
@@ -3843,7 +3846,7 @@ expand-template@^1.0.2:
 
 express@^4.16.2:
   version "4.16.3"
-  resolved "http://registry.npmjs.org/express/-/express-4.16.3.tgz#6af8a502350db3246ecc4becf6b5a34d22f7ed53"
+  resolved "https://registry.npmjs.org/express/-/express-4.16.3.tgz#6af8a502350db3246ecc4becf6b5a34d22f7ed53"
   dependencies:
     accepts "~1.3.5"
     array-flatten "1.1.1"
@@ -3908,7 +3911,7 @@ extend@~3.0.2:
 
 external-editor@^2.0.4, external-editor@^2.1.0:
   version "2.2.0"
-  resolved "http://registry.npmjs.org/external-editor/-/external-editor-2.2.0.tgz#045511cfd8d133f3846673d1047c154e214ad3d5"
+  resolved "https://registry.npmjs.org/external-editor/-/external-editor-2.2.0.tgz#045511cfd8d133f3846673d1047c154e214ad3d5"
   dependencies:
     chardet "^0.4.0"
     iconv-lite "^0.4.17"
@@ -4001,7 +4004,7 @@ fd-slicer@~1.0.1:
 
 fd-slicer@~1.1.0:
   version "1.1.0"
-  resolved "https://registry.npmjs.org/fd-slicer/-/fd-slicer-1.1.0.tgz#25c7c89cb1f9077f8891bbe61d8f390eae256f1e"
+  resolved "https://registry.yarnpkg.com/fd-slicer/-/fd-slicer-1.1.0.tgz#25c7c89cb1f9077f8891bbe61d8f390eae256f1e"
   dependencies:
     pend "~1.2.0"
 
@@ -4038,7 +4041,7 @@ file-loader@^1.1.11:
 
 file-type@^3.8.0:
   version "3.9.0"
-  resolved "https://registry.npmjs.org/file-type/-/file-type-3.9.0.tgz#257a078384d1db8087bc449d107d52a52672b9e9"
+  resolved "https://registry.yarnpkg.com/file-type/-/file-type-3.9.0.tgz#257a078384d1db8087bc449d107d52a52672b9e9"
 
 file-type@^4.2.0:
   version "4.4.0"
@@ -4046,11 +4049,11 @@ file-type@^4.2.0:
 
 file-type@^5.2.0:
   version "5.2.0"
-  resolved "https://registry.npmjs.org/file-type/-/file-type-5.2.0.tgz#2ddbea7c73ffe36368dfae49dc338c058c2b8ad6"
+  resolved "https://registry.yarnpkg.com/file-type/-/file-type-5.2.0.tgz#2ddbea7c73ffe36368dfae49dc338c058c2b8ad6"
 
 file-type@^6.1.0:
   version "6.2.0"
-  resolved "https://registry.npmjs.org/file-type/-/file-type-6.2.0.tgz#e50cd75d356ffed4e306dc4f5bcf52a79903a919"
+  resolved "https://registry.yarnpkg.com/file-type/-/file-type-6.2.0.tgz#e50cd75d356ffed4e306dc4f5bcf52a79903a919"
 
 file-type@^8.1.0:
   version "8.1.0"
@@ -4244,7 +4247,7 @@ from2@^2.1.0, from2@^2.1.1:
 
 fs-constants@^1.0.0:
   version "1.0.0"
-  resolved "https://registry.npmjs.org/fs-constants/-/fs-constants-1.0.0.tgz#6be0de9be998ce16af8afc24497b9ee9b7ccd9ad"
+  resolved "https://registry.yarnpkg.com/fs-constants/-/fs-constants-1.0.0.tgz#6be0de9be998ce16af8afc24497b9ee9b7ccd9ad"
 
 fs-extra-p@^4.6.1:
   version "4.6.1"
@@ -4385,7 +4388,7 @@ get-stream@3.0.0, get-stream@^3.0.0:
 
 get-stream@^2.2.0:
   version "2.3.1"
-  resolved "https://registry.npmjs.org/get-stream/-/get-stream-2.3.1.tgz#5f38f93f346009666ee0150a054167f91bdd95de"
+  resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-2.3.1.tgz#5f38f93f346009666ee0150a054167f91bdd95de"
   dependencies:
     object-assign "^4.0.1"
     pinkie-promise "^2.0.0"
@@ -4524,7 +4527,7 @@ globule@^1.0.0:
 
 got@^6.7.1:
   version "6.7.1"
-  resolved "http://registry.npmjs.org/got/-/got-6.7.1.tgz#240cd05785a9a18e561dc1b44b41c763ef1e8db0"
+  resolved "https://registry.npmjs.org/got/-/got-6.7.1.tgz#240cd05785a9a18e561dc1b44b41c763ef1e8db0"
   dependencies:
     create-error-class "^3.0.0"
     duplexer3 "^0.1.4"
@@ -4561,12 +4564,8 @@ got@^8.3.1:
     url-to-options "^1.0.1"
 
 graceful-fs@^4.1.0, graceful-fs@^4.1.10, graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
-  version "4.1.11"
-  resolved "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
-
-"graceful-readlink@>= 1.0.0":
-  version "1.0.1"
-  resolved "https://registry.npmjs.org/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"
+  version "4.2.4"
+  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.4.tgz#2256bde14d3632958c465ebc96dc467ca07a29fb"
 
 grapheme-splitter@^1.0.2:
   version "1.0.3"
@@ -4759,7 +4758,7 @@ html-tags@^2.0.0:
 
 html-webpack-plugin@^3.2.0:
   version "3.2.0"
-  resolved "http://registry.npmjs.org/html-webpack-plugin/-/html-webpack-plugin-3.2.0.tgz#b01abbd723acaaa7b37b6af4492ebda03d9dd37b"
+  resolved "https://registry.npmjs.org/html-webpack-plugin/-/html-webpack-plugin-3.2.0.tgz#b01abbd723acaaa7b37b6af4492ebda03d9dd37b"
   dependencies:
     html-minifier "^3.2.3"
     loader-utils "^0.2.16"
@@ -4810,7 +4809,7 @@ http-parser-js@>=0.4.0:
 
 http-proxy-middleware@~0.18.0:
   version "0.18.0"
-  resolved "http://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-0.18.0.tgz#0987e6bb5a5606e5a69168d8f967a87f15dd8aab"
+  resolved "https://registry.npmjs.org/http-proxy-middleware/-/http-proxy-middleware-0.18.0.tgz#0987e6bb5a5606e5a69168d8f967a87f15dd8aab"
   dependencies:
     http-proxy "^1.16.2"
     is-glob "^4.0.0"
@@ -4861,10 +4860,14 @@ icss-utils@^2.1.0:
   dependencies:
     postcss "^6.0.1"
 
-ieee754@^1.1.11, ieee754@^1.1.4:
+ieee754@^1.1.11:
   version "1.1.12"
   resolved "https://registry.npmjs.org/ieee754/-/ieee754-1.1.12.tgz#50bf24e5b9c8bb98af4964c941cdb0918da7b60b"
 
+ieee754@^1.1.4:
+  version "1.1.13"
+  resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.13.tgz#ec168558e95aa181fd87d37f55c32bbcb6708b84"
+
 iferr@^0.1.5:
   version "0.1.5"
   resolved "https://registry.npmjs.org/iferr/-/iferr-0.1.5.tgz#c60eed69e6d8fdb6b3104a1fcbca1c192dc5b501"
@@ -4935,7 +4938,7 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3:
+inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1:
   version "2.0.3"
   resolved "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
 
@@ -4943,6 +4946,10 @@ inherits@2.0.1:
   version "2.0.1"
   resolved "https://registry.npmjs.org/inherits/-/inherits-2.0.1.tgz#b17d08d326b4423e568eff719f91b0b1cbdf69f1"
 
+inherits@~2.0.3:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.4.tgz#0fa2c64f932917c3433a0ded55363aae37416b7c"
+
 ini@^1.3.4, ini@~1.3.0:
   version "1.3.5"
   resolved "https://registry.npmjs.org/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
@@ -5208,7 +5215,7 @@ is-installed-globally@^0.1.0:
 
 is-natural-number@^4.0.1:
   version "4.0.1"
-  resolved "https://registry.npmjs.org/is-natural-number/-/is-natural-number-4.0.1.tgz#ab9d76e1db4ced51e35de0c72ebecf09f734cde8"
+  resolved "https://registry.yarnpkg.com/is-natural-number/-/is-natural-number-4.0.1.tgz#ab9d76e1db4ced51e35de0c72ebecf09f734cde8"
 
 is-npm@^1.0.0:
   version "1.0.0"
@@ -5312,7 +5319,7 @@ is-retry-allowed@^1.0.0, is-retry-allowed@^1.1.0:
 
 is-stream@^1.0.0, is-stream@^1.1.0:
   version "1.1.0"
-  resolved "https://registry.npmjs.org/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
+  resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
 
 is-svg@^3.0.0:
   version "3.0.0"
@@ -5356,7 +5363,7 @@ isarray@0.0.1:
 
 isarray@1.0.0, isarray@^1.0.0, isarray@~1.0.0:
   version "1.0.0"
-  resolved "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
 
 isbinaryfile@^3.0.2, isbinaryfile@^3.0.3:
   version "3.0.3"
@@ -5919,7 +5926,7 @@ lru-cache@^4.0.1, lru-cache@^4.1.1, lru-cache@^4.1.2, lru-cache@^4.1.3:
 
 make-dir@^1.0.0, make-dir@^1.2.0:
   version "1.3.0"
-  resolved "https://registry.npmjs.org/make-dir/-/make-dir-1.3.0.tgz#79c1033b80515bd6d24ec9933e860ca75ee27f0c"
+  resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.3.0.tgz#79c1033b80515bd6d24ec9933e860ca75ee27f0c"
   dependencies:
     pify "^3.0.0"
 
@@ -6138,15 +6145,15 @@ minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4, minimatch@~3.0.2:
 
 minimist@0.0.8:
   version "0.0.8"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
 minimist@^1.1.0, minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
 minimist@~0.0.1:
   version "0.0.10"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
 
 minipass@^2.2.1, minipass@^2.3.3:
   version "2.3.4"
@@ -6185,7 +6192,7 @@ mixin-deep@^1.2.0:
 
 mkdirp@0.5.1, mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@~0.5.1:
   version "0.5.1"
-  resolved "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  resolved "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
     minimist "0.0.8"
 
@@ -6614,7 +6621,7 @@ once@^1.3.0, once@^1.3.1, once@^1.4.0:
 
 onetime@^1.0.0:
   version "1.1.0"
-  resolved "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
+  resolved "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
 
 onetime@^2.0.0:
   version "2.0.1"
@@ -6690,7 +6697,7 @@ os-homedir@^1.0.0, os-homedir@^1.0.1:
 
 os-locale@^1.4.0:
   version "1.4.0"
-  resolved "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz#20f9f17ae29ed345e8bde583b13d2009803c14d9"
+  resolved "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz#20f9f17ae29ed345e8bde583b13d2009803c14d9"
   dependencies:
     lcid "^1.0.0"
 
@@ -6924,7 +6931,7 @@ pbkdf2@^3.0.3:
 
 pend@~1.2.0:
   version "1.2.0"
-  resolved "https://registry.npmjs.org/pend/-/pend-1.2.0.tgz#7a57eb550a6783f9115331fcf4663d5c8e007a50"
+  resolved "https://registry.yarnpkg.com/pend/-/pend-1.2.0.tgz#7a57eb550a6783f9115331fcf4663d5c8e007a50"
 
 performance-now@^2.1.0:
   version "2.1.0"
@@ -6936,17 +6943,17 @@ pify@^2.0.0, pify@^2.3.0:
 
 pify@^3.0.0:
   version "3.0.0"
-  resolved "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz#e5a4acd2c101fdf3d9a4d07f0dbc4db49dd28176"
+  resolved "https://registry.yarnpkg.com/pify/-/pify-3.0.0.tgz#e5a4acd2c101fdf3d9a4d07f0dbc4db49dd28176"
 
 pinkie-promise@^2.0.0:
   version "2.0.1"
-  resolved "https://registry.npmjs.org/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
+  resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
   dependencies:
     pinkie "^2.0.0"
 
 pinkie@^2.0.0:
   version "2.0.4"
-  resolved "https://registry.npmjs.org/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
+  resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
 
 pkg-dir@^1.0.0:
   version "1.0.0"
@@ -7419,8 +7426,8 @@ process-nextick-args@~1.0.6:
   resolved "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
 
 process-nextick-args@~2.0.0:
-  version "2.0.0"
-  resolved "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.1.tgz#7820d9b16120cc55ca9ae7792680ae7dba6d7fe2"
 
 process@^0.11.0, process@^0.11.10:
   version "0.11.10"
@@ -7646,7 +7653,7 @@ read-pkg@^4.0.1:
     parse-json "^4.0.0"
     pify "^3.0.0"
 
-"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.9, readable-stream@^2.3.0, readable-stream@^2.3.3, readable-stream@^2.3.5, readable-stream@^2.3.6:
+"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.9, readable-stream@^2.3.3, readable-stream@^2.3.6:
   version "2.3.6"
   resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   dependencies:
@@ -7667,6 +7674,18 @@ readable-stream@1.0:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
+readable-stream@^2.3.0, readable-stream@^2.3.5:
+  version "2.3.7"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.7.tgz#1eca1cf711aef814c04f62252a36a62f6cb23b57"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~2.0.0"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.1.1"
+    util-deprecate "~1.0.1"
+
 readable-stream@~1.1.9:
   version "1.1.14"
   resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
@@ -8033,10 +8052,14 @@ safe-buffer@5.1.1:
   version "5.1.1"
   resolved "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
-safe-buffer@5.1.2, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+safe-buffer@5.1.2, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
 
+safe-buffer@^5.1.1:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+
 safe-regex@^1.1.0:
   version "1.1.0"
   resolved "https://registry.npmjs.org/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
@@ -8073,10 +8096,10 @@ schema-utils@^1.0.0:
     ajv-keywords "^3.1.0"
 
 seek-bzip@^1.0.5:
-  version "1.0.5"
-  resolved "https://registry.npmjs.org/seek-bzip/-/seek-bzip-1.0.5.tgz#cfe917cb3d274bcffac792758af53173eb1fabdc"
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/seek-bzip/-/seek-bzip-1.0.6.tgz#35c4171f55a680916b52a07859ecf3b5857f21c4"
   dependencies:
-    commander "~2.8.1"
+    commander "^2.8.1"
 
 select-hose@^2.0.0:
   version "2.0.0"
@@ -8605,7 +8628,7 @@ string_decoder@^0.10.25, string_decoder@~0.10.x:
 
 string_decoder@^1.0.0, string_decoder@~1.1.1:
   version "1.1.1"
-  resolved "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
   dependencies:
     safe-buffer "~5.1.0"
 
@@ -8641,7 +8664,7 @@ strip-bom@^3.0.0:
 
 strip-dirs@^2.0.0:
   version "2.1.0"
-  resolved "https://registry.npmjs.org/strip-dirs/-/strip-dirs-2.1.0.tgz#4987736264fc344cf20f6c34aca9d13d1d4ed6c5"
+  resolved "https://registry.yarnpkg.com/strip-dirs/-/strip-dirs-2.1.0.tgz#4987736264fc344cf20f6c34aca9d13d1d4ed6c5"
   dependencies:
     is-natural-number "^4.0.1"
 
@@ -8785,7 +8808,7 @@ tar-fs@^1.13.0:
     pump "^1.0.0"
     tar-stream "^1.1.2"
 
-tar-stream@^1.1.2, tar-stream@^1.5.0, tar-stream@^1.5.2:
+tar-stream@^1.1.2, tar-stream@^1.5.0:
   version "1.6.1"
   resolved "https://registry.npmjs.org/tar-stream/-/tar-stream-1.6.1.tgz#f84ef1696269d6223ca48f6e1eeede3f7e81f395"
   dependencies:
@@ -8797,6 +8820,18 @@ tar-stream@^1.1.2, tar-stream@^1.5.0, tar-stream@^1.5.2:
     to-buffer "^1.1.0"
     xtend "^4.0.0"
 
+tar-stream@^1.5.2:
+  version "1.6.2"
+  resolved "https://registry.yarnpkg.com/tar-stream/-/tar-stream-1.6.2.tgz#8ea55dab37972253d9a9af90fdcd559ae435c555"
+  dependencies:
+    bl "^1.0.0"
+    buffer-alloc "^1.2.0"
+    end-of-stream "^1.0.0"
+    fs-constants "^1.0.0"
+    readable-stream "^2.3.0"
+    to-buffer "^1.1.1"
+    xtend "^4.0.0"
+
 tar@^2.0.0:
   version "2.2.1"
   resolved "https://registry.npmjs.org/tar/-/tar-2.2.1.tgz#8e4d2a256c0e2185c6b18ad694aec968b83cb1d1"
@@ -8862,7 +8897,7 @@ through2@~0.2.3:
     readable-stream "~1.1.9"
     xtend "~2.1.1"
 
-through@2, through@^2.3.6:
+through@2, through@^2.3.6, through@^2.3.8:
   version "2.3.8"
   resolved "https://registry.npmjs.org/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
@@ -8894,7 +8929,7 @@ to-arraybuffer@^1.0.0:
   version "1.0.1"
   resolved "https://registry.npmjs.org/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz#7d229b1fcc637e466ca081180836a7aabff83f43"
 
-to-buffer@^1.1.0:
+to-buffer@^1.1.0, to-buffer@^1.1.1:
   version "1.1.1"
   resolved "https://registry.npmjs.org/to-buffer/-/to-buffer-1.1.1.tgz#493bd48f62d7c43fcded313a03dcadb2e1213a80"
 
@@ -9103,7 +9138,7 @@ uglify-js@3.4.x:
 
 uglify-js@~2.7.3:
   version "2.7.5"
-  resolved "http://registry.npmjs.org/uglify-js/-/uglify-js-2.7.5.tgz#4612c0c7baaee2ba7c487de4904ae122079f2ca8"
+  resolved "https://registry.npmjs.org/uglify-js/-/uglify-js-2.7.5.tgz#4612c0c7baaee2ba7c487de4904ae122079f2ca8"
   dependencies:
     async "~0.2.6"
     source-map "~0.5.1"
@@ -9128,11 +9163,11 @@ uglifyjs-webpack-plugin@^1.2.4, uglifyjs-webpack-plugin@^1.2.7, uglifyjs-webpack
     worker-farm "^1.5.2"
 
 unbzip2-stream@^1.0.9:
-  version "1.2.5"
-  resolved "https://registry.npmjs.org/unbzip2-stream/-/unbzip2-stream-1.2.5.tgz#73a033a567bbbde59654b193c44d48a7e4f43c47"
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/unbzip2-stream/-/unbzip2-stream-1.4.3.tgz#b0da04c4371311df771cdc215e87f2130991ace7"
   dependencies:
-    buffer "^3.0.1"
-    through "^2.3.6"
+    buffer "^5.2.1"
+    through "^2.3.8"
 
 unc-path-regex@^0.1.0:
   version "0.1.2"
@@ -9312,7 +9347,7 @@ utf8-byte-length@^1.0.1:
 
 util-deprecate@~1.0.1:
   version "1.0.2"
-  resolved "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
+  resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
 
 util.promisify@1.0.0, util.promisify@^1.0.0, util.promisify@~1.0.0:
   version "1.0.0"
@@ -9797,14 +9832,14 @@ worker-farm@^1.5.2:
 
 wrap-ansi@^2.0.0:
   version "2.1.0"
-  resolved "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
+  resolved "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
   dependencies:
     string-width "^1.0.1"
     strip-ansi "^3.0.1"
 
 wrappy@1:
   version "1.0.2"
-  resolved "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
 
 write-file-atomic@^2.0.0:
   version "2.3.0"
@@ -9847,9 +9882,9 @@ xregexp@4.0.0:
   version "4.0.0"
   resolved "https://registry.npmjs.org/xregexp/-/xregexp-4.0.0.tgz#e698189de49dd2a18cc5687b05e17c8e43943020"
 
-xtend@^4.0.0, xtend@~4.0.1:
-  version "4.0.1"
-  resolved "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
+xtend@^4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
 
 xtend@~2.1.1:
   version "2.1.2"
@@ -9857,6 +9892,10 @@ xtend@~2.1.1:
   dependencies:
     object-keys "~0.4.0"
 
+xtend@~4.0.1:
+  version "4.0.1"
+  resolved "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
+
 y18n@^3.2.1:
   version "3.2.1"
   resolved "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
@@ -9966,7 +10005,7 @@ yargs@^7.0.2:
 
 yargs@~3.10.0:
   version "3.10.0"
-  resolved "http://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"
+  resolved "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"
   dependencies:
     camelcase "^1.0.2"
     cliui "^2.1.0"
@@ -9981,7 +10020,7 @@ yauzl@2.4.1:
 
 yauzl@^2.4.2:
   version "2.10.0"
-  resolved "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz#c7eb17c93e112cb1086fa6d8e51fb0667b79a5f9"
+  resolved "https://registry.yarnpkg.com/yauzl/-/yauzl-2.10.0.tgz#c7eb17c93e112cb1086fa6d8e51fb0667b79a5f9"
   dependencies:
     buffer-crc32 "~0.2.3"
     fd-slicer "~1.1.0"