Added check in the ShardCommitCoordinator to ensure the total number of
batched messages sent equals the total number of messages received as
was done in the ShardWriteTransaction.
Change-Id: I86a67aec7a6a8e8994aee9a2a167972ede1808c7 Signed-off-by: Tom Pantelis <tpanteli@brocade.com>