glusterd: Added syncop version of BRICK_OP

- Made rsp dict available to all glusterd's STAGE/BRICK/COMMIT OP.

Change-Id: I5d825d0670d0f1aa8a0603f2307b3600ff6ccfe4
BUG: 852147
Signed-off-by: Krishnan Parthasarathi <kparthas@redhat.com>
Reviewed-on: http://review.gluster.org/4296
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Reviewed-by: Anand Avati <avati@redhat.com>