Basic working example of the bar graph
Working transitions.
Transition working for yaxis. There's a weird styling thing. But that
should be fine.
Working buttons. They're all blue, and undistinguishable, and on the
bottom, but it works.
Merge branch 'hidy' into ben

Conflicts:
	vis/craigslove.js
Initial Merge. There is some twaking that will need to be done, but it's
starting to come together
Got cities working
Graph big label
Added button for USA.
Bubble updates
Crawler for Craiglist
Fixed README