Scarecrow CO OP 2 Release

1. 0 Survival Mode and game release update +Added Survival Mode +Added SMG +Added shop system +Added barricades and traps +Added clientside surfacebased footsteps +Added cultists +Nerfed big Scarecrow +Added networked muzzle flash effects +Added ending cutscene to classic mode +Redid some animations +Added networked updown animations for players +Small adjustments on player model +Animated mainmenu +Added credits +Added music volume +Adjusted player movement +Added ingame menu weapon mechanics and mouse movement halt +Removed players sliding +Removed players tipping over and falling +Various small adjustments