Merge pull request #552 from apache/release_process_update_version

Release Process:
diff --git a/pom.xml b/pom.xml
index 3842c67..da2d60b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -33,7 +33,7 @@
 
   <groupId>org.apache.datasketches</groupId>
   <artifactId>datasketches-java</artifactId>
-  <version>6.0.0-SNAPSHOT</version>
+  <version>6.1.0-SNAPSHOT</version>
   <packaging>jar</packaging>
 
   <name>${project.artifactId}</name>