gluster: Matrix for cluster level swift status

Created a matrix which decides the cosolidated swift status at cluster
level during sync job.

This fixes various descrepencies in overall status of swift services at
cluster level.

Change-Id: Iffa4af8f3a6dfed4b153f56c52eaef1fddeb5038
Bug-Url: https://bugzilla.redhat.com/973622
Signed-off-by: Shubhendu Tripathi <shtripat@redhat.com>