Changed root pom.xml to point to 0.5.0.onos12-SHAPSHOT in order to pickup latest CopyCat fixes.

Change-Id: Ia8e824d9b492e66007abf53091a03c69536135e3

@@ -71,7 +71,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <netty4.version>4.0.23.Final</netty4.version>
-        <copycat.version>0.4.1.onos</copycat.version>
+        <copycat.version>0.5.0.onos12-SNAPSHOT</copycat.version>
         <openflowj.version>0.4.0.onos</openflowj.version>
         <karaf.version>3.0.3</karaf.version>
         <jersey.version>1.19</jersey.version>
@@ -84,6 +84,14 @@
         </snapshotRepository>
     </distributionManagement>
 
+    <!--- Needed for copycat. Remove before official release -->
+    <repositories>
+        <repository>
+            <id>snapshots</id>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+        </repository>
+    </repositories>
+
     <dependencyManagement>
         <dependencies>
             <dependency>