We have real meta data now. Fake meta data was buggy

Total hack but it seems to work

Hard to believe you could screw up something so easy!

There are many ways of iterating over lists in C++/Qt.
In the specific case of QStrings, it is known [1] that using
foreach with const references avoids the creation of new
QString objects in each iteration, reducing the time consumed
by the loops.

[1] https://blog.qt.io/blog/2009/01/23/iterating-efficiently/Signed-off-by: Anselmo L. S. Melo <anselmo.melo@intel.com>

Supports connecting a Fact to a QSettings value

Plus notify user

Changed to “f” string conversion from “g” to get better results

Also turn on MavlinkLogTest

Instead us a Toolbox concept which hangs off of QGCApplication

Also merged MissionController and MissionEditorController into single
MissionController implementation