fomalhaut v5 changelog

v5
- Removed the RK barrier in the RK arena.
- Added some spawning monsters near the blocking bridge that spawn in after pressing the switch which starts the RK fight.
- Added some bullet ammo near the bridge.
- Added a bit more visual flair to the RK arena.
- Pulled down the Mancubus cages in the RK arena by 32px.
- Delayed the monsters that spawn in on the lifts in the RK arena fight by a bit more.