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/blackmisc/avcallsign.cpp

@@ -76,6 +76,14 @@ namespace BlackMisc
             return atcCallsignSuffixes().contains(this->getSuffix(), Qt::CaseInsensitive);
         }
 
+        /*
+         * Supervisor callsign?
+         */
+        bool CCallsign::isSupervisorCallsign() const
+        {
+            return this->m_callsign.endsWith("SUP");
+        }
+
         /*
          * ATC callsign?
          */