styling improvements to homepage
slight tweak to candidate chart
added crude version of search to contributors section of candidate page
change to Postgres
Add top contributors to candidate page. Add queries to group by employer and by type.
Style tweaks and cleanup to Mike's awesome work
Bump ruby version to 2.1.2

(Sorry everyone, but I need to do this since 2.1.0 doesn't compile on
Ubuntu 14.04, my dev environment)
Remove .env file from version control

Users should put their DATABASE_URL in there, but it will be different
for everyone so it shouldn't be checked into git.
Merge pull request #82 from mikeubell/Data

Add Top Contributors to Candidate page
Fix chart axis.
Removed Pandas files
Chart loads via backbone chart wrapper
Charts resize more smoothly
Break chart.js into multiple functions
Improved resize function to share code with get_dimensions.
Remove unnecessary padding, margins, and divs
Legend resizes with chart.
Chart colors showing
Showing candidate names instead of names of campaigns.
Calculating scale and translation of map projection based on size of chart