Change to FontAwesome Icon

- Add the FontAwesome code to the CRM (http://fontawesome.io/) and use the latest versoin 4.0.3
- Replace the image icons on each of the top tabs of FFCRM with their FontAwesome 'text' equivalents.
- Replace the image icons on the lists sidebar
- Include a 'team' icon
- Make icons for the 'admin' section tabs.
- Remove Gentleface source code and the accreditation in the footer.