End of work on 29/01/2014
Pre merge commit
Premerge commit
Added link--icons, removed fixed header
Changed fontello set; reduced space between problem index list items
Added 3 new pages; changed order of buttons on landing page and in navigation; small typographic changes
Changed directory layout; added GulpJS as the task runner; switching to OOCSS
Merge branch 'localhost'
Merge with localhost