Add Airbrake
Use PostgreSQL-compatible group by statement
Merge branch 'development'

* development:
  New logo and improved header styling
  Add analytics
  Improve styling of the featured story area
  Change invalid method name system
  Add "from" or "by" below the items
  Make api things line up
Add orange colors on the upvotes!
Add Debug User flag and the first debug info about posts
Skip any image smaller than 200x50
Use SASS to compile posts.css