Adding signals for auto-link handling
Merge pull request #347 from tstellanova/config_simplify

Migration to single parameter widget; ignore RC updates on unmapped channels
Instantiate a PX4 config view in PX4 mode from start, since boards with just the bootloader (or no working telemetry) cannot be flashed else.
Fixes, working on uploading story
Merge branch 'config' of github.com:mavlink/qgroundcontrol into config
Re-did sensor calibration, WIP
Added QUpgrade Resources
Merge branch 'config' of github.com:mavlink/qgroundcontrol into config
Reasonably nice firmware upgrade
Many more fixes on calibration, starts to actually do something