[ADD] de_dust2045

[brett friggin favre]

just saw it on the front page of fpsbanana, and i actually like it
http://www.gamebanana.com/maps/160059


http://www.youtube.com/watch?v=GIb_PpiOfNg

a nice little reboot of dust.

[Schnacky]

that looks like it could be a nice change up for a dust based map.