koth_cavern b2

With this update, the map moves into beta:
- Areas have been refined further
- More props and polish
- Better flow, less jumping paths
- A whole lot of smaller changes

- Added team colors on each side of the map
- Added a proper skybox
- Added more detail in the blockout, slowly building up the skyline
- More props and obstacles to make flat areas more interesting to fight around
- Balance changes: health packs, ammo packs
- Added a few sentry spots close to ammo
- Reworked control point
- Added trimping spots on mid point
- Added more mining equipment around the point to divide the map up better and make the midpoint more interesting to defend and cap.
- Fixed many long lines of sight
- Made it easier for attackers to push up onto the plateau from the river with more ways to climb and more direct routes.
- A bunch more stuff!

- Opened up areas in reaction to feedback.
- Made movement classes less advantaged overall.
- Made it easier for attackers to push into the point by raising the river bed.
- Added a small area behind the cap with health and ammo packs.
- Made the truck loading area bigger and connected it to the new area behind cap, also moving the flank route to the new area.
- Fixed most sightlines.
- Added a new pitfall on each side of the map, right next to spawn, this was intended to be done from the start but the area in question hadn't been developed enough until now.
- Reworked spawn areas, to block sightlines and make gameplay more interesting by connecting both sides of the river around the spawn rooms.
- Reworked most building interiors to reflect other changes, and make stairways less steep.
- Removed windows that advantaged defenders too much.
- Clipped stairs.
- Added more lighting.
- Reworked skybox for a more optimised experience.
- Made some nooks and crannies for spies to hide.
- Added cap indicator box.