Removing snapshot repo from pom.xml

Changing copycat version to 0.4.0.onos

Change-Id: Ib6b93ba6553692140a161e2e488bcaede034e000

@@ -23,14 +23,6 @@
         <maven>3.0.1</maven>
     </prerequisites>
 
-    <!--- Needed for copycat. Remove before official release -->
-    <repositories>
-        <repository>
-            <id>snapshots</id>
-            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-        </repository>
-    </repositories>
-
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos-base</artifactId>
@@ -78,7 +70,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <netty4.version>4.0.23.Final</netty4.version>
-        <copycat.version>0.5.0.onos-SNAPSHOT</copycat.version>
+        <copycat.version>0.4.0.onos</copycat.version>
         <openflowj.version>0.3.9.oe</openflowj.version>
     </properties>