KoTH Hydro Bowl

Description
The map is a conversion of the satellite part of tc_hydro to king of the hill game mode with balancing work. It is currently in BETA 1.

[*] [b]Some changes from the original:[/b]
-- 4 bowl exit doors
-- full underground ring
-- RED spawn in caves
-- Auxilary spawn for current non-point holders.
-- BLU spawn pushed back to match RED's
-- Extension of BLU's battlements
-- Top of the assaulting hill on RED's side blocked off.

[*] [b]Fixed bugs:[/b]
-- Can still see outside the map from cracks in the unused assaulting doors.
-- RED's bottom resupply locker and the aux spawn resupply locker do not animate when used.
-- No 3d skybox
-- No Roof above BLU's 2nd floor exit. --> can be seen by soldier/demos

[*] [b]Known bugs:[/b]
-- Still one way to see outside map's bounds

[*] [b]Changes from _a2:[/b]
-- Further detailing of RED spawn
-- Slightly more BLU spawn detail.
-- Underground wall player clips consistent all the way around.
-- Hydro's original 3d skybox.
-- Skybox/lighting changed back to tc_hydro's
-- Various cosmetic fixes
-- Copied some previously missing details from tc_hydro to koth_hydro.