ArduPilot: Support perflight barometer/airspeed calibration

Add 500000 baud to all builds

Pile 'o 3.2 fixes

Plan: Better upload progress indication

More fixes for MAV_CMD_IMAGE_START_CAPTURE spec change

Replace FileDialog with QGCFileDialog

Updating localization strings

Fixing case for consistency.

Survey: Entry location changes

Exclude method when not building with video streaming support.

Add support for Qt 5.9 (QtLocation)

Survey: Settable entry location

The use of “MEMBER” prevents (simple) access from c++.

Work on Video Streaming (mostly related to recording it)

Adding mux GStreamer plugin libraries to Android (to enable video recording on Android)
Adding an option to limit the amount to disk used for saving videos
Adding an option to show/hide the REC button (allowing plugins to handle the recording in their own way)
Adding simple frame grab to file

Better/More survey related unit testing

Bump ArduPilot min versions

Fixes