More cleanup:

- moved SoundBase.h to lib since it contains shared data
- added RMG info to object format. Note that data is not yet imported in
configs
- slightly updated API of object handlers

lib/mapObjects/CBank.cpp

@@ -13,7 +13,7 @@
 
 #include "../NetPacks.h"
 #include "../CGeneralTextHandler.h"
-#include "../client/CSoundBase.h"
+#include "../CSoundBase.h"
 
 using namespace boost::assign;