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
Merge branch 'master' into GD

* master:
  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`
Fixes #82 - use LibSass instead of Ruby Sass
Add back precision
Bump deps
Merge pull request #484 from google/libsass

Fixes #82 - use LibSass instead of Ruby Sass
Use https where possible
Merge pull request #494 from arthurvr/master

Use https where possible
Renaming Apple touch icon to "apple-touch-icon".
See #492
Merge pull request #507 from sgomes/master

Renaming Apple touch icon to "apple-touch-icon".
simplified intro copy
Merge branch 'master' into GD

* master:
  Renaming Apple touch icon to "apple-touch-icon". See #492
  Use https where possible
  Bump deps
  Add back precision
  Fixes #82 - use LibSass instead of Ruby Sass
  Add missing space before commented out code.
  gulpfile - comment out the task loading by default
  bump dependencies
  move `apple-touch-icon-precomposed` into `images/touch`

Conflicts:
	app/index.html