Fixes #1207
Return 0 for a non-reset
Merge pull request #1208 from PX4/sysid_reboot

Fixes #1207
Merge pull request #1226 from PX4/filter_mode

Return 0 for a non-reset - tested 40 mins in flight.
circuit_breakers: added param to disable airspeed check
Merge pull request #1233 from PX4/circuitbrkairspd

circuit_breakers: added param to disable airspeed check
EKF: Fix wind publication, fix commented out flags
Add missing states, build fix for master
Merge branch 'master' into mavlinkrates2
mavlink: show 'rate mult' in 'mavlink status' output
rc.usb: set RC_CHANNELS_RAW rate to 5Hz