Added package-info.java to all archetypes; including overlays.

Change-Id: I09482c6309783eae011a51b84ecc19335b2db0b2
diff --git a/tools/package/archetypes/bundle/src/main/resources/archetype-resources/src/main/java/package-info.java b/tools/package/archetypes/bundle/src/main/resources/archetype-resources/src/main/java/package-info.java
index 0096476..e9d8ea0 100644
--- a/tools/package/archetypes/bundle/src/main/resources/archetype-resources/src/main/java/package-info.java
+++ b/tools/package/archetypes/bundle/src/main/resources/archetype-resources/src/main/java/package-info.java
@@ -15,6 +15,6 @@
  */
 
 /**
- * Administrative console command-line extensions.
+ * ONOS application archetype.
  */
 package ${package};
\ No newline at end of file