* changed aircraft view to siumlated aircraft models / views
* functionality to change fast pos. updates (signals, slots)
* allow to request text message widget from aircraft component
* preparation for a context menu to send text messages from ATC/aircraft view
* preparation for context menu for fast pos. updates
* reverse ICAO lookup at login screen
* display fast updates / parts in GUI
* moved max- aircraft into settings
* made serverselection own component
* added functions in component to select COM frequencies
* changed views to contain ObjectType in template
* function to obtain selected objects in view base class
* model:
** required a non templated base class for Q_OBJECT / slots
** added worker for thread, QConcurrent is not used as it does not work with template classes
* views:
** added cpp file for view base class
** added template parameter for container in views
** different modes how resizing will be applied
