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

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

Adding mux GStreamer plugin libraries to Android (to enable video recording on Android)
Adding an option to limit the amount to disk used for saving videos
Adding an option to show/hide the REC button (allowing plugins to handle the recording in their own way)
Adding simple frame grab to file

And don't pass along message pointers

And fix broken file path to save video on windows

Other minor formatting and stability improvements

Sorting source and headers while at it.

Initial rendering of Waypoints

New version using QtQuick along with an experimental Map Background