Cache new metadata if versions are equal

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

Hack out missing method

This fixes a bug where a URL containing a hashtag (#) was displayed
without the hashtag.

Refactor instrument value controls

Add support for multi-press joystick buttons

Fix PX4 Flow image provider

Fix QGCPopupDialog automatic flickable parenting

Set RC To Param support

Use new QGCPopupDialog mechanism

New QGCPopupDialog mechanism

Tweaks to Popup visuals

Update value visuals to support value ranges

Initial support for value ranges

New value editing dialogs

QGCPopupDialog support

Icon picker support

Add missing include

Icon support for values display

Add support for ScreenTools.defaultFontDescent

Always generate AppSettings::savePath at runtime for mobile builds

VTOL Landing Pattern support

Fix blank display after page change in instrument panel

Fix incorrect call

Control should have it's own palette

New grid based values page editor support

Mobile QGCFileDialog: Show dir location