ARGUS-105:Make hbase.master.kerberos.principal as optional in HBase Repository

Signed-off-by: sneethiraj <sneethir@apache.org>
ARGUS-126:Change Argus name to Ranger in policy admin UI

Signed-off-by: sneethiraj <sneethir@apache.org>
ARGUS-47:Patch to encrypt plain text passwords should be run with Oracle also

Signed-off-by: sneethiraj <sneethir@apache.org>
ARGUS-127:Fixed HBase resource lookup failure to return table and column family

Signed-off-by: sneethiraj <sneethir@apache.org>