This is in preparation for full Qml main window

Action passed in in order to make X in title bar close work

- Central widget no longer stacked. Views are added/removed to layout
to switch view
- Dock Widgets are globals with single instance of each type
- Both central views and dock widgets are just-in-time created saving
lots of memory

- properties now hand off of main “autopilot” object in qml
- Added support for summary items through qml

Used for unit testing