Prepare for 2.1.0-SNAPSHOT development (#141)

Author: SirOibaf

java/pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.logicalclocks</groupId>
     <artifactId>hsfs</artifactId>
-    <version>2.0.0</version>
+    <version>2.1.0-SNAPSHOT</version>
 
     <properties>
         <maven.compiler.source>1.8</maven.compiler.source>