Updated mavlink forwarding implementation to forward all mavlink messages received on all channels onto a single UDP port. A new mavlink forwarding UDP link is created if forwarding is enabled. The mavlink settings page now has a Fact checkbox for enabling forwarding and a fact text field for specifying the host name.

Added mavlink forwarding as an option to UDP connections. Enabling this setting will cause every mavlink packet received by QGC to be forwarded on the link, with the exception of packets originating from said link.

Compiler warnings clean up

First run prompts

More warnings cleanup
Android fix
More
More
More
Fix typo
Update android compiler warnings
Fix android compiler warnings
More android compiler warnings

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

Toolbar: Visual tweaks

VIsual tweaks

Cherry pick stable fixes

FactMetaData: Add custom validator support

Add custom validator support

Cherry pick stable fixes

Turn warnings back on, silence warnings we can't fix

Introduce gimbal yaw visiblity setting

Added configurable value grid to toolbar

Added configurable value grid to toolbar

Fix VTOL hover determination

Fix VTOL hover determination

ToolStrip re-architecture for encapsulation and customization

Remove old action list code

ToolStrip rearchitecture for encapsulation and customization

Re-architect toolbar for better customization, features, real estate

Fix logic of when adding Landing item is allowed

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

Fix logic of when adding Landing item is allowed

Fly View rearchitecture

Vertical units - fix omission

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

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

More FlyView encasulation. Make QGCPipOverlay completely self contained

Sub: Add fact for roll/pitch toggle, remove spaces from fact names