Plane : TECS - Add non airspeed sensor pitch to throttle mode lost during integration
Merge branch 'TECS-MODS' of github.com:priseborough/ardupilot into TECS-MODS

* 'TECS-MODS' of github.com:priseborough/ardupilot:
  Plane : TECS - fixed bug in use of trim throttle
  Plane : TECS - Add non airspeed sensor pitch to throttle mode lost during integration