* allow to display project, env. vars etc. in console
* use setup data cache
* adjust to relocated CNetworkUtils
* remove console for data GUI (noticed during installer tests)
* 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
* added functions in component to select COM frequencies
* changed views to contain ObjectType in template
* function to obtain selected objects in view base class
* 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
Existing functions visible() / isHidden() are not suitable, as those represent "technical visibility".
We need a logical visibility telling us if the user can see / has selected the corresponing dockable widget.
* New base class info area (where dockable widgets are placed)
* Adjusted derived component (currently 1)
* Cleaned up old code in floatAllWidgets
* QFontDialog is not working, as it is affected by the style sheets itself
* Added font settings to the GUI settings tab
* Added font color dialog for fonts
* Several utility methods
