* for new value objects (e.g. distributor, ...)
* new modes are required (e.g. CStatusMessageListModel::Simplified)
* model filter allowing to filter models
* improved formatting of aircraft views
* extended settings for render restrictions (such as max. aircraft, max range ...)
* connected new signal / slots in runtime
* Doxygen / formatting
* 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
* consolidated ICoordinateGeodetic (e.g. fixed nested properties)
* shifted common functionality for objects/containers with callsign into interface
* shifted common functionality for objects/containers with geo position into interface
* shifted common functionality for objects/containers with timestamp into interface
* updated corresponding value objects / specialized lists
* adjusted all places where renamed functions are used