* better case handling in SELCAL
* SELCAL in aircraft
* SELCAL selector, improved getter / setters
* changed cockpit SELCAL elements to promoted GUI element
* synchronized flightplan and cockpit SELCAL codes, used new signal/slot syntacs in flightplan
* added SELCAL in own aircraft context
* combo boxes, size model changed - fixes the issue with the settings exceeding the boundaries
* main window can be minimized
* renaming the main page
* style sheet
* remove unused methods
* changed ui, preferred size and such
* changed ctor for CEnableForDockWidgetInfoArea and made setParentDockWidgetInfoArea virtual
* adjusted derived classes ctor
* added enum and area methods for cockpitinfoarea
* allow nested info areas
* added cockpit info area
* fixed several finder methods to excluded nested info areas from child elements
* using QScopedPointer for ui
* placeholder GUI components for new cockpit