Fixing few issues in feature generation and local run capability for Bazel build.

Change-Id: Ifd72aff1c56cceadd0bde93c94bdaf4a9a7dfbd2
diff --git a/tools/build/bazel/onos_app.py b/tools/build/bazel/onos_app.py
index 7b817d0..36552a0 100755
--- a/tools/build/bazel/onos_app.py
+++ b/tools/build/bazel/onos_app.py
@@ -36,7 +36,7 @@
 
 def mvnUrl(bundle):
     #mvn-uri := 'mvn:' [ repository-url '!' ] group-id '/' artifact-id [ '/' [version] [ '/' [type] [ '/' classifier ] ] ] ]
-    parts = bundle.split(':')
+    parts = bundle.split(':')[1:]
     prefix = 'mvn:'
     suffix = ''
     if len(parts) > 3: