Add system file gitignore
Add gitignore
Merge branch 'master' of https://github.com/gkbroderick/html5-as-a-platform

Conflicts:
	.DS_Store
	Audio/.DS_Store
delete .DS.Store from Audio and the HTML5 folder
Merge branch 'master' of https://github.com/gkbroderick/html5-as-a-platform