Less twitchy value grid width sizing

Unified photo/video control which works with mavlink cameras and just video stream

Move Vibration to Analyze

Telemetry Values bar at center bottom

Ready To Fly support based on MAV_SYS_STATUS_PREARM_CHECK

Modified support for multiple first run pages. Added first run for offline vehicle settings.

Added configurable value grid to toolbar

Re-architect toolbar for better customization capabilities. Also use less real estate.

Rework Fly View into separate layers which can be customized at each layer.

Major update to simplify and document the custom build example

Support for reusable InstrumentValueArea control

Refactor instrument value controls

New value editing dialogs

New grid based values page editor support

Move analyze page list model to the core plugin.

Pay attention to the current camera auto stream capabilities directly rather than just camera changes.

Restore QGC to its normal UI layout (buttons on toolbar)

Get rid of QGCView, QGCViewPanel and FactPanel. All messages and dialogs are now handled in the root window.

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.

Custom build override for stable version check no longer needed

Support GuidedActionsController logging

Add new Help page under Settings