Gh pages audit

This audit covers the overview and usage section for each component. The examples sections will come next (there are plans for gist driven examples with jsfiddle type tinker-boxes). Lots of work to be done yet here, but, I think this is a good stopping point for the "first pass".
This is sort of a meta-comment on the radio in general... but should we have a fu.clicked event on these?  In apps I've generally had to hook on some extra interactivity when a radio is selected and I've always been annoyed that I had to dig out the hidden input to listen for events...