Game interactions

Implemented interactions
For alpha:
 * Walking
 * Sliding
 * Kicking/pushing pebbles on the ground
 * Picking up flowers
 * Accumulating flowers to make bouquets
 * Picking bushes
 * Scaring away rabbits

Other interaction ideas

 * Climb
 * Petting the rabbits or getting them to follow you
 * Shouting
 * Push
 * Swim
 * Hide
 * Sleep
 * Sneak up
 * Hunt
 * Dive
 * Build
 * Destroy
 * Hang
 * Rest
 * Drink
 * Eat
 * Make a fire
 * Make bird sounds
 * Cross a river (taking off shoes)
 * Pee
 * Thirsty
 * Peel of sunburn
 * Smoke signals
 * Setting up traps
 * Balancing on rocks
 * Pick berries (and eat them)
 * Finding a feather