bump version to 0.8.3

Author: uwolfer

pom.xml

@@ -4,7 +4,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.urswolfer.gerrit.client.rest</groupId>
   <artifactId>gerrit-rest-java-client</artifactId>
-  <version>0.8.3-SNAPSHOT</version>
+  <version>0.8.3</version>
 
   <name>gerrit-rest-java-client</name>
   <description>Java REST client for Gerrit Code Review API.</description>