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_empty.h

@@ -167,9 +167,10 @@ namespace BlackCore
         }
 
         //! \copydoc IContextAudio::parseCommandLine
-        virtual bool parseCommandLine(const QString &commandLine) override
+        virtual bool parseCommandLine(const QString &commandLine, const QString &originator) override
         {
             Q_UNUSED(commandLine);
+            Q_UNUSED(originator);
             logEmptyContextWarning(Q_FUNC_INFO);
             return false;
         }