Bumping onos-maven-plugin version to 1.5-SNAPSHOT

Change-Id: I784133aef6209292e42bad2b54938847caf1f0b4
diff --git a/tools/package/maven-plugin/pom.xml b/tools/package/maven-plugin/pom.xml
index 7255a66..fe53cba 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</version>
+    <version>1.5-SNAPSHOT</version>
     <packaging>maven-plugin</packaging>
 
     <description>Maven plugin for packaging ONOS applications or generating