Hotfix: Be more aggressive about SPI2 init on v1 boards
missionlib: Added geo.h include, without this the _wrap_pi function returned garbage (e.g. for the yaw setpoint in auto)
Merge pull request #522 from PX4/hotfix_yaw_auto_bug

missionlib: Added geo.h include,
fix MEAS airspeed and airspeed calibration
Merge pull request #525 from thomasgubler/airspeed_meas_calibration

fix MEAS airspeed and airspeed calibration
Merge branch 'master' into batt_fixes