Browser dependencies version bumps and cleanup.

- Remove commented includes.
- Remove unused dependencies.
- Upgrande font-awsome to 4.2.
- Update jQuery to 2.1.1 and jQuery-UI.
- Update Angular and its reverse dependencies to 1.3.0.
Merge pull request #3614 from oskarhane/2.2-version-bump-and-cleanup

Browser dependencies version bumps and cleanup.