bootstrap module
init provider
getUserMedia stream and filter skin
get edges
handleGesture
request animation frame
handle gesture 4 directions
use strict mode, fix var references
edit function references
fix drawImage, firefox element not ready
cancelAnimationFrame
create elements from js, rename events to swipe
formatting fixes
stop localMediaStream
broadcast swipe events, public swipe functions
refactor
dirx and diry trahhold
refactor, motion directive
broadcast only on move
play sound