[7607] Improvements in support some generic achievement classes Author: VladimirMangos

* Implement support achievements with refAchievement field != 0, that have criterias stored in achievement refAchievement.
    * Implement support achievement complete req. with specific count of completed critirias.
    * Avoid full achievement list scan at search achievement associated with criteria.

--HG--
branch : trunk

src/game/DBCStores.cpp

@@ -534,7 +534,7 @@ void LoadDBCStores(const std::string& dataPath)
         exit(1);
     }
 
-    sLog.outString("");
+    sLog.outString();
     sLog.outString( ">> Initialized %d data stores", DBCFilesCount );
 }