refs #522, as preparation for mutable in status message

* added the new human readable patterns ( also for #506 )
* adjusted using functions

Meeting:
https://dev.vatsim-germany.org/boards/22/topics/2786?r=2787#message-2787

src/blackmisc/statusmessage.h

@@ -83,7 +83,10 @@ namespace BlackMisc
         const CLogCategoryList &getCategories() const { return this->m_categories; }
 
         //! Human readable category
-        QString getHumanReadableCategory() const;
+        QString getHumanReadablePattern() const;
+
+        //! All human readable categories
+        QStringList getHumanReadablePatterns() const;
 
         //! Message severity
         StatusSeverity getSeverity() const { return this->m_severity; }