Made QGCCorePlugin derive from QGCToolBox and expose everything through the same mechanism as everything else.

Android done.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>

Clicking on the sumarry titles enters the edit mode
On the tests with users, they always clicked on the
title (because it resembled a button or something) and
nothing happened. it was a bit confusing to have the
same information in two places and only one of them
being clickable.
Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>

This provides a better workflow for firmware upgrade

Add scroll height indicators to Flickable

Direct connect to PX4 Flow shows up as generic

Windows OS doesn’t disconnect port when you pull plug on USB. This
caused all sorts of problems with previous logic. New logic handles
this correctly.