* 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
* 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
* the term "components" will only be used for GUI components (derived from QWidget/ QWidget derived classes) fron now on
* timer, and enabler classes renamed accordingly: CEnableForRuntime, CEnableForDockWidgetInfoArea, CUpdateTimer
* adjusted all dependent classes
* 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