Fix incorrect passing of firmware type

Stable_V4.0 -> master sync

Preflight checklist when no vehicle is connected

Compiler switch for Survey Preset JSON generation

Update change log

Mavlink terrain protocol support

Added compiler switch for developers to generate survey preset default json files for use as built-in survey presets in custom builds

Vehicle command send logging

Fix broken ADSB vehicle code

Vehicle command send logging

Fix broken ADSB vehicle code

Even better manifest logging

Even better manifest logging

Better logging for ArduPIlot manifest lookup

Better logging for ArduPIlot manifest lookup

Fix auto-display of Plan/File

Fix auto-display of Plan/File

Still trying to get travis to not puke

Try again

Still trying to get travis to not puke

GStreamer ref counting

Map Fit: Skip invalid coords

Don't unref _tee - we don't hold reference to this object, it is owned...

Use v2 provider for GitHub upload to work around travis bug

Skip invalid coords

Use v2 provider for GitHub upload to work around travis bug

Travis failing due to verbose macdeployqt output

Remove some more Follow stuff

Travis failing due to verbose macdeployqt output

Remove some more Follow stuff

Remove ArduPilot Follow Me support from Stable

Update changelog for Stable