Cherry pick virtual joystick fix from Stable

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

Added configurable value grid to toolbar

ToolStrip rearchitecture for encapsulation and customization

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.

More FlyView encasulation. Make QGCPipOverlay completely self contained

More work on encapsulation in Fly View

Fly View: Move business logic inside controls

Add support for Json file string translations

New LandingComplexItem base class for landing patterns

Major rework to support terrain profile display and terrain collision reporting

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

Separate daily build settings space

Support for reusable InstrumentValueArea control

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

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

App messages now use simple modal message dialogs. Vehicle messages continue to use non-modal popup.

Refactor instrument value controls

Fix QGCPopupDialog automatic flickable parenting

Set RC To Param support

New QGCPopupDialog mechanism

Tweaks to Popup visuals

Initial support for value ranges

QGCPopupDialog support

Add missing include

Add support for ScreenTools.defaultFontDescent

Fix incorrect call

Control should have it's own palette

New grid based values page editor support

Mobile QGCFileDialog: Show dir location

Stable update