When a user publishes a project, they likely updated their project dependencies. Expire the cached manifest.
Merge remote-tracking branch 'origin/master'

Conflicts:
	manifest.js
2.6.0
jshint Y U NO!
Fix the tests
2.6.1
Process tasks at watch begin
David logo for retina devices
2.6.2
Retina status badges!
package.json: sort dependencies by name and move scripts lower.
Update fancybox to v2.1.5.
Update font-awesome to v3.2.1.
Update moment.js to v2.2.1.
Update html5 boilerplate to 4.3.0.
Update dependencies.
Fix grunt jshint.
Fix JSHint warnings.