ArduPilot for configurable mavlink stream rates

Fix crappy font rendering on Windows

Fix write storage permission problem

Fix GStreamer Debug positioning

Support for new AltitudeFactTextField

Fix startup crash on initial font change signalling qgc reboot required

Only use small font on mobile

Size/Position fixes

Better mobile visuals

Newer version to support containsPress

Simpler control design for better mobile display

Cleanup unused code

Add support for Linux and experimenting with settings (there are "set" but no "get" options for them though)

On desktop (Ethernet connection), the ground unit pushes UDP directly, which makes the use of an actual "Link" not possible. Instead, I've moved all of Taisync support to a "manager" owned by QGCToolbox.
Added a Taisync settings with some basics already wired and running.