Merge pull request #252 from apache/6.0.X_pom_to_6.0.0

push pom v6.0.0 to 6.0.X

Author: leerho

pom.xml

@@ -34,7 +34,7 @@ under the License.
 
   <groupId>org.apache.datasketches</groupId>
   <artifactId>datasketches-memory</artifactId>
-  <version>5.1.0-SNAPSHOT</version>
+  <version>6.0.0</version>
   <packaging>jar</packaging>
 
   <name>${project.artifactId}</name>