Merge commit '23ec497d05224c08b2873bd196788bb1f28b720b' into LevelDesign
Lots done:

City section polish
nav mesh implimented
Builds added
texture refining
New Models
Perk Refactoring
- Refactored the perk system to fix a bug that was causing the speed perk to never go away.
Tweaks and Fixes
- Added the rocket launcher as a minion drop.
- Fixed a bug that was causing the player's shield to not disappear.
- Made special weapon drops more prevalent.
- Removed the lifetime option from PerkSpin, now only Perk handles when the perk objects disappear.
Merge pull request #164 from ModSquadWorkshop/bug_fixes

Perk Refactoring
Merge branch 'master' into visual_effects
Merge remote-tracking branch 'origin/LevelDesign' into visual_effects
Merge remote-tracking branch 'origin/boss_meshes' into visual_effects
Integrate Final Level
- Added drop points for the boss so that the new level will actually run and stuff.
Perk Meshes
- Added the new gun meshes to the perks and whatnot.
Add Animation to Spider Tank
- Adds the animated mesh to the spider tank prefab.
Merge pull request #166 from ModSquadWorkshop/visual_effects

Art Integrations
Merge remote-tracking branch 'origin/master' into boss_meshes