Revert "Joystick: update gui and send new mavlink target messages". That PR broke Windows compilation and had other issues that also needed to be addressed.

Fix windows install

Joystick: update gui and send new mavlink target messages

Mavlink update

And I really mean it this time!

Copy platforms plugins to install

More FTP support, plus unit tests

Added:
- sequence numbers
- better filtering for image encapsulated data messages versus FTP
- directory list now contains file sizes
- open command now returns file size in data

Run macdeployqt from same dir as qmake

Handles case where multiple versions of QT are installed on machine.

Fix various styling issues

Also added a corresponding style for the light themes to make it a little prettier (though it wasn't broken on light themes).

Added all perspectives to advanced menu and rearranged items.

Tried to order items in order of importance.
Also all perspectives now have their own shortcuts.

Remove unconnected view from QGC.

Conflicts:
	src/ui/MainWindow.cc

Finish removing MAVLink generation code.

Conflicts:
	src/ui/MainWindow.cc

Both on the backend (replaced with DEFAULT view) and on the front end (removing UI menu items).

Removed all dead code from MainWindow.