make better font stacks for different operating systems
adjust headline size, switch to small asset on index view, and add meta tags for mobile devices
use timeAgo for date formatting and don't float images
add initial support for responsive layout on index view, more styling tweaks
Merge remote-tracking branch 'origin/master' into style-improvements

Conflicts:
	js/kpcc.js
Update ember, ember-data, and handlebars
Add development versions of ember and ember-data
Spacing
Update dependencies; add category to views, use new date helpers
Cleanup + doc
Add the new date helpers I talked so much about in the last commit
Add helpers for asset tags and urls
Merge pull request #1 from SCPR/style-improvements

Style improvements