KNOX-705: Improvement on 404 error messages with ambari views.

KNOX-711: Added the ability to scope rewrite rules.

KNOX-712: submitPig does not allow multiple argument via arg().

KNOX-713: Knox Shell HDFS.get.Request is Package Private.

KNOX-714: Remove Permissive MIT License from NOTICE File.

KNOX-715: submitJava should allow multiple argument via arg().

KNOX-716: replayBufferSize is kept in bytes.

KNOX-717: Changed the location header in RANGERUI rewrite to be more specific.

KNOX-721: Added rewrite rules to take care of no slash url.

KNOX-722: Changed KnoxSessionStore to not base64 empty cookie value.

KNOX-723: Qualifying the login page resources with the front end path.

KNOX-724: Ambari view fixes.

KNOX-725: Defining policy chain for ambari and ranger services.

KNOX-726: Clean up Skipped Unit Tests.

KNOX-731: Added ranger and ambari services to topology.