Merge remote-tracking branch 'upstream/master' into hott-esc

Documentation/dsm_bind.odt

Documentation/dsm_bind.pdf

mavlink/include/mavlink/v1.0/mavlink_conversions.h

src/drivers/ardrone_interface/ardrone_motor_control.c

src/drivers/drv_gpio.h

src/drivers/drv_pwm_output.h

src/drivers/gps/ubx.cpp

src/drivers/gps/ubx.h

src/drivers/mpu6000/mpu6000.cpp

src/drivers/px4fmu/fmu.cpp

src/drivers/px4io/px4io.cpp

src/modules/att_pos_estimator_ekf/KalmanNav.cpp

...es/attitude_estimator_ekf/attitude_estimator_ekf_params.c

src/modules/commander/commander.c

src/modules/gpio_led/gpio_led.c

src/modules/mavlink/waypoints.c

src/modules/px4iofirmware/controls.c

src/modules/px4iofirmware/dsm.c

src/modules/px4iofirmware/protocol.h

src/modules/px4iofirmware/px4io.h