For Video Streaming usecase, QGroundControl doesnt support changing of
Video Source or URI settings. Restart of QGroundControl application was
required for the changes to get applied. The issue is now resolved by
restarting the video receiver pipeline with new video source/setting.
Signed-off-by: lbegani <lalit.kumar.begani@intel.com>

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

Instead of hardcoded "QGroundContorl" strings

No more user prompting

Convert bool settings to SettingsFact

* Holds all the settings for the app
* Allows core plugin to override default values

* Fix minor spelling error

* Added support for the AUAV x2.1 Flight Controller
    also removed a duplicate entry for MindPX
    from src/comm/USBBoardInfo.json

Adds entries required to correctly identify, download and flash PX4
firmware to the AUAV X2.1 Flight Controller

* Update USBBoardInfo.json

Removed un-needed fallback entries. This has been tested!

And fix broken file path to save video on windows

- Shot Interval in Survey
- Much change to time/distance calc