Release 12

Big thing: emails are working so new user signups are working. Yay!

Features

• front page now shows edited timestamp if relevant on posts
• better Facebook previews

Tech Improvements

• Updated gems
• Switched to SparkPost from Mandrill for email sending
• Translatable plurals throughout the site
• Stopped maintaining a patch on a third-party library
• Added Code Climate, so we can work toward clean, friendly code as we go
• Test coverage calculations are now more accurate (and 20% higher!)