Prepare for 0.3.1 release

Signed-off-by: Jakub Scholz <www@scholzj.com>

Author: scholzj

pom.xml

@@ -4,7 +4,7 @@
 
     <groupId>io.strimzi</groupId>
     <artifactId>kafka-quotas-plugin</artifactId>
-    <version>0.3.0</version>
+    <version>0.3.1</version>
 
     <licenses>
 		<license>