Formally switched over to FontAwesome 3.0. Some icons may break

Signed-off-by: Kenneth Lim <kenlimmj@gmail.com>
Merge branch 'master' of https://github.com/jethrokuan/ol2
Merge branch 'master' of https://github.com/jethrokuan/ol2
Merge branch 'master' of https://github.com/jethrokuan/ol2
Cleared out checkpoint controller
Merge branch 'design-update'

* design-update:
  Formally switched over to FontAwesome 3.0. Some icons may break