ArduSub Plugin: Basic Files + XML Update

[Mission stats] Dummy mission stats

[Mission stats] Added area translation

fixing the stats display

enable hide/unhide of vtol and survey stats

adding check for surveying item

setting distance units and check if vtol

add active vehicle

check for valid mission

requested changes

more conversion stuff

some fixes and added area unit drop down

Conflicts:
	src/MissionEditor/MissionItemStatus.qml

removed comment

finish unit conversion

correcting typos

Support for adjusting existing survey polygon

Log download fixes.

ArduSub: Disable joystick warning message

Convert setup pages to use SetupPage

Tweaking Motor Component.

Adding Motor Component Icon

Adding Orbit Mode to Guided Bar

* Mavlink/master:
  Parameter search is now typedown style
  Prevent multiple clicks on dialog buttons
  Deploy OpenSSL lib
  Fix trailing slash
  Switch to exact conversion constants
  Copy files in right place
  Add missing headers
  Hack out dynamic font sizing
  Use new polygon drawing tool
  FlightMap supports generic polygon drawing tool

Parameter search is now typedown style

Rewrote editor to be performant enough to support typedown

Prevent multiple clicks on dialog buttons

This can happen on slow touch based systems

Deploy OpenSSL lib

Switch to exact conversion constants

Windows GStreamer: Copy files in right place

Use constant's inverse to ensure we don't accumulate error when converting back and forth

Info view font

Map polygon drawing tool