fix missing flymanager record
fix movilgate transport
port transport crmtext usa
port airtel sierra leone transport
fix testing flying manager
Merge branch 'feature/transport_backward_port' into develop
fix crmtext content type header
fix crmtext POST parsing
fix crmtxt transport
Merge branch 'develop' into feature/upgrade-vumi

Conflicts:
	transports/__init__.py
	transports/movilgate/movilgate_http.py
	transports/tests/test_movilgate_http.py
	vusion/component/tests/test_flying_message_manager.py