Updated pom.xml to use odlparent and add authz back into odl-aaa-all.
Also, segmented features into 3 main buckets:
1) APIs
2) Core features (AuthN and AuthZ)
3) Plugins

Change-Id: I7858b8f6302f34d22cbc548570a4bc15e93df9ec
Signed-off-by: Liem Nguyen <liem_m_nguyen@hp.com>