Changing copycat version to latest snapshot version

Change-Id: I171801c45fe4203bdeafbcbf6e2153ae07380fe5
diff --git a/pom.xml b/pom.xml
index 0f74d0a..fe2e142 100644
--- a/pom.xml
+++ b/pom.xml
@@ -76,7 +76,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <onos-build-conf.version>1.1</onos-build-conf.version>
         <netty4.version>4.0.23.Final</netty4.version>
-        <copycat.version>0.5.0.onos</copycat.version>
+        <copycat.version>0.5.1.onos-SNAPSHOT</copycat.version>
         <!-- FIXME update to release version before Emu release -->
         <openflowj.version>0.9.2.onos-SNAPSHOT</openflowj.version>
         <onos-maven-plugin.version>1.7</onos-maven-plugin.version>