Issue #77 getLogCategories returns a simple QStringList instead of our own class

src/blackmisc/datacache.h

@@ -209,7 +209,7 @@ namespace BlackMisc
 
     public:
         //! Log categories
-        static const CLogCategoryList &getLogCategories();
+        static const QStringList &getLogCategories();
 
         //! Constructor.
         CDataCacheSerializer(CDataCache *owner, const QString &revisionFileName);