move `apple-touch-icon-precomposed` into `images/touch`

as the other touch icons are there.
Update dependencies
Merge pull request #455 from google/update-deps

Update dependencies
bump dependencies

to fix a bug in a deep down dependency when used in node 0.11.0
gulpfile - comment out the task loading by default

so it doesn't log an error when there's no `task` folder
Add missing space before commented out code.
Merge pull request #411 from google/move-ios-touch-icon

move apple-touch-icon-precomposed.png into `images/touch`
Merge remote-tracking branch 'remotes/origin/master' into features/polymer

Conflicts:
	package.json