Make homepage cycle optional.

To enabled it, give the UL containing cycle elements the ``cycle`` class.

To wrap an element in the white box, give it the ``boxed`` class.
LI children of a ``ul.cycle`` element automatically get the boxed styling.
Merge branch 'master' of https://github.com/ghing/midwesturbanfarmers

Conflicts:
	assets/css/app.css
	assets/css/less/app.less