As of workshop RW/KB, improved / fixed text messages

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

src/blackcore/context_audio_impl.h

@@ -114,7 +114,7 @@ namespace BlackCore
         //! </pre>
         //! @}
         //! \copydoc IContextAudio::parseCommandLine
-        virtual bool parseCommandLine(const QString &commandLine) override;
+        virtual bool parseCommandLine(const QString &commandLine, const QString &originator) override;
 
     protected:
         //! Constructor