Fix Obstacle bug that kills you even if the obstacle isn't lethal.
Merge branch 'master' of github.com:crentagon/GGJ2014Senses
Add Interaction input.
Fix naming conflict in Obstacle.
Added support for InteractableObjects; InteractableObjects can either be carried or activated.
Merge branch 'master' of github.com:crentagon/GGJ2014Senses