Planning new connection-oriented RUA and SCCP FSMs to - conquer confusion about hnbgw_context_map release behavior, and - eradicate SCCP connection leaks. Related: SYS#6297 Change-Id: I661bf65d79972a732c52732934095e8bfcd99694
Imported from osmo-iuh.git 9b4de3f401c890fc2c0dfae9e827daaaadd80db0. Change-Id: I569d221aeb83d352c1621c44c013a0e4c82fc8a8