Added Oculus Rift & Touch support

[img]http://cdn.edgecast.steamstatic.com/steamcommunity/public/images/clans/27799545/e9b1b0d5d32a123173ea49afb31a7d18add4d9dd.png[/img] Added: [list] [*]Oculus Rift & Oculus Touch support [/list] Controls: [list] [*]Trigger - start game / check ground (right hand) [*]Grip - arcade mode / place flag (left hand) [*]B or Y - select game mode [*]Thumb stick button - statistics / teleport [/list] Possible problems: Zombies sometimes are not visible.