Add missing package-info.

Updated POM to remove dependency on datasketches.memory repo.

Author: leerho

pom.xml

@@ -135,12 +135,6 @@ under the License.
   </properties>
 
   <dependencies>
-    <dependency>
-      <groupId>org.apache.datasketches</groupId>
-      <artifactId>datasketches-memory</artifactId>
-      <version>${datasketches-memory.version}</version>
-    </dependency>
-
     <!-- Test Scope -->
     <dependency>
       <groupId>org.testng</groupId>

src/main/java/org/apache/datasketches/count/package-info.java

@@ -0,0 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.datasketches.count;