Merge branch 'master' into batt_fixes

ROMFS/px4fmu_test/init.d/rcS

Tools/px4params/dokuwikiout.py

Tools/px4params/dokuwikiout_listings.py

makefiles/config_px4fmu-v1_test.mk

makefiles/config_px4fmu-v2_default.mk

makefiles/config_px4fmu-v2_test.mk

nuttx-configs/px4fmu-v2/nsh/defconfig

src/drivers/boards/px4fmu-v1/board_config.h

src/drivers/boards/px4fmu-v2/board_config.h

src/drivers/boards/px4fmu-v2/px4fmu2_init.c

src/drivers/gps/gps.cpp

src/drivers/hil/hil.cpp

src/drivers/hott/hott_sensors/hott_sensors.cpp

src/drivers/hott/hott_telemetry/hott_telemetry.cpp

src/drivers/px4fmu/fmu.cpp

src/drivers/px4io/px4io.cpp

src/drivers/rgbled/rgbled.cpp

src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c

src/modules/sensors/module.mk

src/modules/sensors/sensor_params.c