Removing maven-plugin from overall build and rolling version to 1.4

Change-Id: Ibef881eea7be0e1a1545cbec15dc43c3eea74019
diff --git a/tools/package/maven-plugin/pom.xml b/tools/package/maven-plugin/pom.xml
index 5fc729c..7255a66 100644
--- a/tools/package/maven-plugin/pom.xml
+++ b/tools/package/maven-plugin/pom.xml
@@ -24,7 +24,7 @@
     </parent>
 
     <artifactId>onos-maven-plugin</artifactId>
-    <version>1.4-SNAPSHOT</version>
+    <version>1.4</version>
     <packaging>maven-plugin</packaging>
 
     <description>Maven plugin for packaging ONOS applications or generating