Usability plus, new features:
- 3DR Radio support
- APM Stack support

Moving to Dev 2.6

Switch to 2.5.2

Automatic UDP Link Configuration

Fixing Qt event loop issue where UDP readReady signal would not work.

Switch to Stable 2.5.1

Change mag cal to 6 orientations

Small build fix for mobile (Android and iOS).

Force Default Group to top of parameter editor list

Send MAVLink message for all joystick modes

Moving image resources to their own QRC path.

Update firmware upgrade controller links for AeroCore firmware

[NOT FOR STABLE] Major font rework

Updated parameter list metadata to new position estimator

Switch to Development 2.6

XPlane HIL interface: Fix link deletion logic so no QGC reboots are r…

Fix crash

Adding note about USB connection for ESC calibration.

Adding a few more speech fixes.

Also adjusting text layout while at it.

Fixing typo.

Fixed a few issues with target UDP hosts.