Slightly edited version of Underbelly for play at Game Night.

Notable changes:
- Fixed team spawns
- Added instant death to bottom of the map so you don't fall forever (until dying mysteriously)
- Fixed some annoying texture jittering issues
- Fixed up flag room
- Fixed some minor lighting problems
- Fixed some instances of item asymmetry
- Applied lighting trick to aid visibility
- Extended ladder at the bottom of bases to aid mobility
- Optimized performance by greatly reducing ps2 faces

This file hasn't yet been reviewed. Tell us what you think!