-Adjusted powerups

-Removed all the burning zombie spawns. Uses the "Burning zombies" setting now.
-Re-added boss
-Changed zombie type to Nuketown
-Updated nav in the removal of jump traversal blocks.

Re-balanced some zombie spawns. Removed cluster grenade from box, along with some weapons that were already found as wallbuys. Changed weapon locker price from 3k to 4k, and fixed a missing nav connector in the pap room.

Many changes to bring it up to date with the current workshop version of the NZR gamemode. New changes include adding a boss, later round spawns, fixing the jump traversal block, and touching up the navmesh

None Provided

Fixed spelling error in the nz data causing the config to not appear.

Fixed missing nav around the end area.