WAR-ArcticStronghold [Final]

Changes from the beta include:

- Alternade west / east node setups with the center node being a standalone capture node.
- Fury in center node now replaced with darkwalker.
- East node has two defense stinger turrets, west has one.
- Fixed a few areas where players could get wedged between rocks and terrain.
- Red core explosion sequence fixed.
- Core team switching now enabled at the end of a round.