fixed 2 spots blast jumping classes could trap themselves on

re-scaled the rock textures on a suggestion to reduce the appearance of tiled textured

lighting tweaks

fixed the preview image showing an old version of the map

fixed missing kill boxes allowing a player to safely enter water that was supposed to kill them and bots

updated the models in spawn to increase consistency for different users loading the map hopefully fixing errors

added nobuild to areas inaccessible to sentry busters to prevent them from blowing up in the bots spawn and to balance engineers game-play on the map