Tweak screenPosition for better Y data
Update vertical offset
Proper file banners on javascript files, explaining coffeescript source location
Merge branch 'master' into screenposition-tweaks

Conflicts:
	Gruntfile.coffee
Merge pull request #2 from leapmotion/screenposition-tweaks

ScreenPosition updates, Better Coffeescript banners
Merge branch 'master' into node-support

Conflicts:
	Gruntfile.coffee
	main/leapjs-plugins-0.1.1.js
	main/screen-position/leap.screen-position.js
	package.json