Revert to previously working travis

Author: nfour

.travis.yml

@@ -2,6 +2,7 @@ language: node_js
 node_js: ["6"]
 
 install:
+  - echo "//registry.npmjs.org/:_authToken=\${NPM_TOKEN}" > ~/.npmrc
   - yarn install
 
 script:
@@ -12,6 +13,6 @@ script:
 
 deploy:
   - provider: script
-    script: echo "//registry.npmjs.org/:_authToken=\${NPM_TOKEN}" > ~/.npmrc && npm run release
+    script: npm run release
     on:
       tags: true