Bug 1789: Reorder odl-mdsal-clustering feature before odl-restconf

Change-Id: Ied00c5d5470a500e6b3d3f54ce3eb25e4a236dc8
Signed-off-by: tpantelis <tpanteli@brocade.com>
Merge "Bug 1789: Reorder odl-mdsal-clustering feature before odl-restconf"