Adding touchZone and touchDist
adding InteractionBox to frame.js
taking out interaction box
adding interaction box back in
implemented interactionBox
use interactionbox
add basic test for interactionbox
wip
interactionBox docs update

+ fixed documentation
+ minor indentation/toString change
rebuild
wip
actual interaction box tests
with working math
use size i guess internally
re-built
Merge pull request #73 from leapmotion/touch

Interaction box
Merge branch 'master' into gesture_events

Conflicts:
	leap.js
	leap.min.js
	test/runner.html