Controller support and much more

[list] [*] Added controller support [*] Added new hints when interacting with items [*] Redesigned and improved many interaction zones [*] Fixed hand animation when running with weapons [*] Fixed AK-47 scope [*] Fixed co-op screamer bug in location 3:1 [*] Fixed co-op skeleton bug in location 3:1 [*] Fixed bug with death screen in location 0:0 [*] Fixed a bug in location 1.3 where the resurrection mini-game would not appear after falling off a cliff [*] Added new sounds of interaction with objects and environment [*] Improved many collisions and fixed bugs related to falling through textures [*] Many other minor fixes [/list]