adding bitmask operation macros

Change-Id: I07b240f2962a7e20af207fae6aa56cc2acdc6667
Signed-off-by: Eyal Salomon <esalomon@mellanox.com>
removing more_in_batch flag from xio_msg and turning it to flag
named XIO_MSG_FLAG_LAST_IN_BATCH. pass this flag to receiver or responder side

Change-Id: Ief754d1309bfa3b6b065fa5c94a3108ddcbaa24b
Signed-off-by: Eyal Salomon <esalomon@mellanox.com>