print "reserving session.." and "reserved session at the relay" messages

darcs-hash:20081114090602-b2873-bb47918474e7b8dc822a2b254275bcbdbd0ebb97
Fixed inconsistency in setting options for pjsip_inv_create_uas, hopefully to prevent crashes

darcs-hash:20081114122903-58103-80282753ae68a322d129f8e62a6e9aeb16c2fc0f