- added extro support to worldmap, crashes however, no idea why:

0x080826f5 in display_text_file(std::string const&, Surface*) () at music_manager.cpp:26
26      MusicManager::MusicManager()
(gdb) where
#0  0x080826f5 in display_text_file(std::string const&, Surface*) () at music_manager.cpp:26
#1  0x080826b5 in display_text_file(std::string const&, std::string const&) (file=@0x88ad5d0, surface=@0xbffff230)
    at text.cpp:234
#2  0x08093b31 in WorldMapNS::WorldMap::update() (this=0xbffff3b0) at worldmap.cpp:685

SVN-Revision: 782