[maven-release-plugin] prepare for next development iteration

pom.xml

@@ -10,7 +10,7 @@
 
     <groupId>org.dcache.chimera</groupId>
     <artifactId>grizzly-rpc</artifactId>
-    <version>0.0.3</version>
+    <version>0.0.4-SNAPSHOT</version>
     <name>Grizzly Based ONC RPC implementation</name>
     <packaging>jar</packaging>
     <url>http://www.dCache.ORG</url>