United Systems Expansion v4.2 "Final Woes"

Dungeons
- Added events hub world.
- Added some singular space encounters.
- Added Isigan GBI Ship.
- Redyan ships now spawn with certain room priorities.
- Horizontal Vent Hatches added to Redyan Ships.

Fixes
- Fixed non-functional elevator in Typhon Research Base Variant 2.

NPCs and Monsters
- Added GBI Rapid Response Unit.
- Added Isigan GBI Merchant.

Weapons, Armors and Items
- Reduced price of Warwolf Pulse Rifle.
- Added Isigan Gear for npcs.

Objects
- Added "Annual Events" Map for unlocking the events hub world.
- Added Horizontal Vent Hatch.
- Changed description of finishing Halloween 2017 IV-2 Nightmare trophy.

Misc
- Halloween 2017 IV-2 Nightmare trophy now gives out the quest, then redeems automatically.
- "Redyan Ship" changed to "Redyan Merchant Ship".
- Moved around some sellables in the merchant pool - Most notable is that Redyan Merchants no longer sell Rebel Intel.
- Grenade physics changed (less bouncy).
- Removed crafting of IV-2 Nightmare and replaced it with the "Annual Events" map.
- Dialogue additions to the dialogue files.
- Reduced chance to encounter Redyan Ship.