Making changes to loop remover so that it doesnt rely on in memory graph.
This would help the loopremover to behave same across cluster(in a clustered env)
and it will not reply on any in memory local state.

Change-Id: I639ce0cd87a3e61c67a69a611ded4bea050682cb
Signed-off-by: Amit Mandke <ammandke@cisco.com>