using history.pushState for navigation. It's better but not perfect yet.
history.pushState testing
Ignore .pyc
oops
Merge branch 'master' of github.com:danvk/sfhistory
disable keyboard shortcuts when grid is visible
Create a new Grid for each view. Fixes some weird behaviors.
remove neighborhood polygons
Shrink dots as you zoom out. A little slow, but looks great!
remove grid demo files
link to back of card image
expanded panel and header style changes
Merge branch 'master' of https://github.com/danvk/sfhistory
bump version
Merge remote-tracking branch 'upstream/master'

Conflicts:
	.gitignore
	viewer/static/grid-demo.html
	viewer/static/js/grid-data.js
Merged Dan's master branch