FOGL-2343: return failure code when connections to north side services fail (#1399)
FOGL-2343: return failure code when connections to north side services fail (#1399)

FOGL-2343: return failure code when connections to north side services fail

If at least one data block is sent (or no data to send) return success, return failure otherwise.
foglamp/FogLAMP,foglamp/FogLAMP,foglamp/FogLAMP,foglamp/FogLAMP