Fix Mocklink UI

- Reimplement same behaviour as version 3.1 while resizing the window :
    Stretch the text area to fit the screen
- Change setting text from Alternate Instrument Panel to Vertical Instrument Panel

By default the Instrument Panel is the one from master,
It can be switched to alternate version by a checkbox in General Settings/Fly View

Add show Teleemtry Log Replay Status Bar to Fly View settings

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Enable full screen / windowed toggle

Add support for ArduRover MockLink

Fixed flight widget position.

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

Grouped logging options within General Settings

ArduPilot for configurable mavlink stream rates

Updated MAVLink to handle video stream types (auto discovery)

ArduPilot option to not start mavlink streams

Expose guided altitude settings. Rearrange Fly and Plan view settings.

Enable/Disable based on fixed base position

Add support for specifying fixed RTK base position

Added support for qgcRebootRequired Fact meta data value.

Fixed the core MAVLink receiver. Among other things, it wasn't accounting for fragmented messages.
Fixed code that monitors messages received (and lost)
Added a section within the MAVLink panel to show the current status (for the current vehicle)
Remove some old, unused exposed interfaces

Add new Help page under Settings