Core/Achievements: AchievementMgr refactoring

* Extracted base CriteriaHandler class that deals with criteria only and will be reused for future scenario implementation
* Fixed players earning guild achievements

src/server/game/Handlers/SpellHandler.cpp

@@ -238,7 +238,7 @@ void WorldSession::HandleGameobjectReportUse(WorldPackets::GameObject::GameObjRe
         if (go->AI()->GossipHello(_player))
             return;
 
-        _player->UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_USE_GAMEOBJECT, go->GetEntry());
+        _player->UpdateCriteria(CRITERIA_TYPE_USE_GAMEOBJECT, go->GetEntry());
     }
 }