Updated to Bootstrap 3 + Font Awesome.

It does the trick. Font Awesome + Bootstrap 3 is working with this file.

The only missing thing is that we must copy the fonts from Mopa/Bundle/BootstrapBundle/Resources/public/font/* to web/Resources/public/font/
Merge pull request #614 from Mentalow/patch-1

Updated to Bootstrap 3 + Font Awesome.