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/blackgui/stylesheetutility.h

@@ -96,6 +96,13 @@ namespace BlackGui
             return f;
         }
 
+        //! File name textmessage.qss
+        static const QString &fileNameTextMessage()
+        {
+            static const QString f("textmessage.css");
+            return f;
+        }
+
         //! File name maininfoarea.qss
         static const QString &fileNameFilterDialog()
         {