Changed (selected) mission item color to primaryButton instead of buttonHighlight
Adjusted some colors for better contrast
Removed a few JavaScript exceptions caused by the order of object destruction

* Map type now set from General settings
* No map type control in maps

Instead of hardcoded "QGroundContorl" strings

Shows touch area extents when turned on

- Fix imports to support 5.7
- Move properties to correct location

Some android versions leave a focus arrow indicator turd in the
control. This gets rid of it.