Add font awesome icons.

Update font awesome gem.
Update paths to login and regstration actions.

Update footer links.

Reupdate routes in footer.
Update hint messages in user edit form.
Update layouts, refactor haml and sass.
Merge branch 'master' of https://github.com/Nimbility/bucky into frontend

Conflicts:
	app/assets/stylesheets/application.sass
Front end refactor.
Update table styles.
Add toggle feature and continue front end refactor.
Merge pull request #11 from somecallmejosh/frontend

UI cleanup, continued.