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 #83 from ted27/merge_mikes_postgres_stuff

Merge Mike's postgres stuff
Add Database URL to app.rb
Add pie chart for contribution categories
Add non itmeized to the pie chart
Fix reference to GoogleCharts