Merge pull request #1 from jeffhung/readme4newbie

Add prerequisites for macosx+homebrew.
Merge pull request #2 from jeffhung/debtclock

DebtClock
update absolute url
update color scheme using colorbrewer 2
g0v meta data
modernize
thumbnail
update thumbnail
add deploy script
fix server render
use hosted js lib. upgrade d3 and angular
use angular-ui-router
enable google analytics
remove debug
udpate metadata
update metadata
Nikki's first csv file.
Nikki's 2 renamed csv