PLAT-1441: Fix non-graceful shutdown of mamalistenc (#179)
PLAT-1441: Fix non-graceful shutdown of mamalistenc (#179)

* PLAT-1441: Fix non-graceful shutdown of mamalistenc

Added in a signalhandler

Signed-off-by: Gary Molloy <cf79966eeadaa7bd42214a55ca4b3a5780279b56@tradevela.com>

* PLAT-1441:

Signed-off-by: Gary Molloy <cf79966eeadaa7bd42214a55ca4b3a5780279b56@tradevela.com>

fquinner/OpenMAMA,fquinner/OpenMAMA,fquinner/OpenMAMA,fquinner/OpenMAMA,fquinner/OpenMAMA,fquinner/OpenMAMA,fquinner/OpenMAMA