Begins using angular-charts. Will now proceed to delete angular-charts and
use angularjs-nvd3-directives.
Switching to angularjs-nvd3-directives.
Merge pull request #95 from jacob-israel-turner/master

cleans up index.html, changing the charts library a couple of times.
Merge branch 'master' of https://github.com/lds-reporting/site-reporting