Also refs #351
* messages can be formatted with style sheet
* fixed: removed command from message
* added originator to command line
* msg parsing now in core
* using ITimestampBased for text messages and status messages
* allow to resize rows to content (view base)
* model / views for text messages
* removed old qt stylesheets
* only init QDbusServer for P2P
* changed init order of contexts in runtime
* use "fake" signal to call setComVoiceRooms (remote in GUI)
* added slot to change voice room callsign
* used "org.swift" instead of "net.vatim" (just style)
* used const QString for serviceName
* added correct copyright header (just style)
Before a very complex mechanism was implemented in order to share
a vatlib voice channel resource if more than one COM unit was connected
to the same channel. This is now moved into CContextAudio by mapping
a COM unit to a shared voice channel pointer.
* changed volume methods from QList<qint32> to qint32 (DBus compliance)
* methods for changed devices
* command parser for audio
* volume display in status bar (pseudo mute)
* friend CRuntime on top
* fixed some public constructors (made protected)
* Also made registerWithDBus protected
* Fixed some copy/paste issues in getIContextXXX
* Reordered private/public sections
* removed usingLocalObjects() now in CContext
* removed getRuntime() now in CContext
* Constructors no longer public, context can only be obtained via runtime object
* runtime class is friend class
