IconCache.addPNG(BaseMapPlugin.class, "map");
// fill plugin array
plugs = new ArrayList<MapWriter>();
plugs.add(new JSONMapWriter());
plugs.add(new LuaMapWriter());
plugs.add(new MappyMapWriter());
plugs.add(new TMWServerMapWriter());
// register extenstions
ExtentionManagement.add(MapHelper.SAVE, new IExtension() {