attitude_estimator_ekf: auto detect mag declination using GPS coordinates
Merge branch 'master' into ekf_auto_mag_decl
mavlink app: Clean up allocations
Converted streams to new API, saving a bunch of RAM
mavlink app: Fix compile error
mavlink app: Finish porting all messages to new scheme
Merge branch 'master' into ekf_auto_mag_decl
navigator: takeoff fix, always reach takeoff altitude, even if first waypoint is lower
rc.mc_defaults: set default acceptance radius (NAV_ACCEPT_RAD) to 2m
navigator: autocontinue and RTL autolanding fixes
Magnetometer data is not update

Magnetometer is not updated during a read operation, because the function "lsm303d_mag::measure" is not called.

”!!!JUST A GUESS!!!“
Minor fixes to MAVLink
position_estimator_inav: GPS delay compensation
Merge pull request #1026 from PX4/mavlink_fixes

Minor fixes to MAVLink
position_estimator_inav: add buffer for rotation matrix to do accel bias correction properly
ubx driver: fix unit of speed and position accuracy estimate
Merge pull request #1029 from PX4/ubxaccuracyunit

ubx driver: fix unit of speed and position accuracy estimate
position_estimator_inav: default GPS delay changed to 0.2s
ubx: disable all debug messages
ubx: send update only if got POSLLH & VELNED & TIMEUTC