New channel animations.
Tweak channeling.
Merge branch 'prototype' of github.com:sconealone/ggj14 into prototype
Tweak globe kill. Load assets at beginning of game.
Move muscle dog to cursors.Change attack keys.
Tweak sprite kill time.
Players can jump on each others' heads, but still go through each other.
Play knockback animation when getting stomped.

Bug where cat cannot jump off of dog's head.