* Added extra QFrame in CDockWidgets to have better control in stylesheez (CDockWidget -> QWidget -> QFrame)
* Adjusted stylesheets
* Force update of stylesheet when frameless changes
* Cascading status message in nested CInfoArea components
Floating frameless dock widget still not transparent
* different dyn. property names for main window, dock window and infoarea
* dyn.properties for nested QWidgets
* style sheet for navigator
* utility function to delete layout
* added standard OS icons, some formatting in CICons
* actions in main window to be used in navigator
* main window becomes normal window when minimized so it is correctly displayed in Win taskbar
Remark: Frameless floating dockwidgets with rounded borders not yet working
* allow to set/unset frameless mode in CDockWidget
* adjusted context menus
* adjusted style sheets
* ini settings for margins
* hidden info area to host floating widgets only visible when floating (allows to CDockInfoArea widgets)
* made some private slots non-virtual
* 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
* Allow to "jump" to text message channel from ATC / aircraft
* changed timer connections for components to new SLOT syntax
* housekeeping:
** new function in network context for station by callsign
** refactored textmessage component, allow to select tab by slot
** wired up signal / slots in main GUI
** removed unused functions
** allow to select area and "myself" in infoarea
* keep split per callsign map in IInterpolator (so it is available for all interpolators)
* Interpolator using CWorker, so it can run in background
* added signals to provider to add split situations / callsigns
* adjustments to airspace / context for those signals
* thread safe access to those from interpolator
* renamed from rendered to remote aircraft as discussed
* adjust samples
* removed no longer required functions in timestampobjectlist
* changed connectioStatusChanged from uint -> int
