build fix
ekf: Only return from start handler with all allocations done
fw att ctrl: Only return from start handler with all allocations done
fw pos ctrl: Only return from start handler with all allocations done
Make instructions in commander more obvious for airspeed calibration
Airspeed driver: Use the known sensor offset for raw value as well
Merge pull request #1181 from PX4/fixedwing_mem_handling

Fixedwing mem handling
Merge pull request #1159 from PX4/airspeed_test_fix

Generalized the airspeed check
Merge remote-tracking branch 'upstream/master' into offboard2_externalsetpointmessages
vehicle command: add latest guided commands
commander: handle VEHICLE_CMD_NAV_GUIDED_ENABLE
mavlink: external setpoint feed trough functionality
Merge branch 'master' of github.com:PX4/Firmware into vision_estimate
Add a mixer for the Phantom so it can be uniquely adjusted for this airframe.
Updated the comments.
Merge pull request #1183 from sjwilks/fx61_mixer

Phantom FX-61 mixer
Merge branch 'master' of github.com:PX4/Firmware into eff_plus_plus
mathlib: More C++ fixes
Fix warning
add parsing of external attitude message