Starting snapshot 1.2.0-SNAPSHOT

Also, fixed onos-upload-bits script to upload rc's to nightly/

Change-Id: I9bb8fe685492e23c740796879f0b66c307e26e56
diff --git a/tools/package/archetypes/pom.xml b/tools/package/archetypes/pom.xml
index 5023ed9..fe7cf00 100644
--- a/tools/package/archetypes/pom.xml
+++ b/tools/package/archetypes/pom.xml
@@ -27,7 +27,7 @@
     </parent>
 
     <artifactId>onos-archetypes</artifactId>
-    <version>1.2.0-rc1</version>
+    <version>1.2.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <description>ONOS archetypes project</description>