Remove differential aileron mixing as this will result in a pitching effect on flying wings.
Make MTD startup less verbose, there are diagnostic commands to read off its state
Merge branch 'master' of github.com:PX4/Firmware
Merge pull request #621 from sjwilks/fixedwing-mixers

Remove differential aileron mixing for flying wings
Comment in HIL start script
Merge branch 'master' of github.com:PX4/Firmware
Hotfix: Check all channel mappings for valid ranges
Hotfix: Check all channel mappings for valid ranges
Merged master into beta