fix to use ins_alt_dot with baro wen USE_BAROMETER is defined
[modules] baro_board: only call event handler if there is new data
[modules] fix warning in baro_board
[modules] baro_amsys: fix for DT to match BARO_READ_PERIODIC_PERIOD
[modules] BARO_x_DT from generated BARO_x_PERIODIC_PERIOD
[modules] baro_amsys: comment to match the other baro sensors
[ardrone2] Magneto axis correction and calibration
[Build] Compile info about selected Arming
[airframes] CDW
[apogee] fix type in board file
[mcu_periph][i2c] add queue_full_cnt

- also set transaction status to I2CTransFailed on stm32 (like already the case on lpc21)
- add I2C_ERRORS message to fixedwing
[ardrone] Default IMU calibration in header file
Merge pull request #1 from dewagter/parrotsigns

Parrotsigns
Merge pull request #510 from fvantienen/master

[ardrone2] Magneto axis correction and calibration
[lpc21] fix typo in i2c
Merge pull request #499 from TobiasMue/ins

fixes to use ins_alt_dot with baro wen USE_BAROMETER is defined
[tests] fix SEND_I2C_ERRORS for some test progs