Fixed copy & paste error on RC output
Merge pull request #1273 from PX4/rc_fix

Fixed copy & paste error on RC output
Disable CONFIG_ARCH_IRQPRIO in all NuttX configs
fw att control: change control surface deflection scaling
px4io driver: fix actuator output format
Merge pull request #1280 from hsteinhaus/actuator_output_fix

px4io driver: fix actuator output format
code style fix for mavlink app
Merge branch 'master' of github.com:PX4/Firmware
add param for qnh
Publish telemetry status on telemetry update and on heartbeat update events to avoid inducing heartbeat update latencies resulting in spurious telemetry link dropped detections. Makes overall state handling simpler
sensors: move close to correct position
sensors: do not exit task on error
Make some space on FMUv1
Require a digit ahead of the dot for a valid number for the SF0x output
Merge pull request #1284 from PX4/telem_status_reactive

Publish telemetry status on telemetry update and on heartbeat update eve...
Airspeed fix attempt
mavlink: Handle command int packets
Mag scale check: only test if the scale roughly makes sense, do not judge the environment
Time out after a reasonable interval (10 seconds, as e.g. OBC rules prescribe). Experiments show the SiK radios to time out ~4-7 seconds if they loose sync
Do not perform retries in airspeed driver - this is too much load for the HRT queue