Buck Alpha 4

Moved RED spawn and 1 a bit closer to 2
Moved BLU spawn and 8 a bit closer to 7
A few other geometry changes; most notably, some high ground for BLU near 4

Added more pickups
Added a silly thing near point 4 to make it stand out
Made respawns a little faster

Tweaks to overlays and signage for clarification.

Fixed certain spawn points not working

Changed how the routes to 4 and 5 close so there isn't only one route to and from points 6, 7, and 8 on any given round

Made captures add time

Fixed HUD materials
Made lighting look as intended
Geometry changes; unused routes close dynamically

Made control point locking work properly