MissionController: Add takeoff only with supported vehicles

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

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

QGCViewDialog controls can now call QGCView.showDialog to stack dialogs

Allows FirmwarePlugin::toolbarIndicators to signal change

Needed to support different indicators for advanced mode

Properly handle default (initial) map coordinates and zoom level.

'manual control lost' when connected joystick with armed UAV

Allow pseudo mobile builds (Native QML on Desktop)

Replacement code to speed up work on the map and fighting mistake 'manual control lost' when connected joystick with armed UAV

fix typo which breaks joystick detection on Android

fix compile with glibc 2.26

Speech will work on Linux only with Qt 5.9.2, updated accordingly.

Switch Appveyor to Qt 5.9.2

Video Stream Control Widget

Added a signal handler to force toggle the switch. Not sure why the normal signal is not being respected.

Moved "Grid Lines" out of General Options and into the Video Stream Widget
Made a QGC custom Switch element

Clarify the title of the "Video Stream" panel (instead of just "Video")

This reverts commit cc1fa959.

Fixes #5787

The failure got triggered by 3c55e2b0

sincos is not used anymore, so drop the definition

Support ROI tool button in WaypointsOnly mode

Maps: added Eniro as map provider (Norway,Sweden,Finland,Denmark,Poland)