Bumps Ruby to 2.0.0
Fixes broken tests with Ruby 2
Bumps fileuploader-rails
Allows yet more attachment types
Uses Thin as local server
Adds unobtrusiveness helpers
Coffee-ifies the existing application JS bits
AJAXifies adding/removing attachments
Fixes broken spec
Makes UJS partial reusable
AJAXifies adding/removing comments
Makes attachment view generic
Makes attachment controller generic
Adds attachments to comments
Improves attachment styling
Fixes style issue on ideas
Drops colouring on ideas pages
Fixes disappearing upload progress on second upload
Improves drag-and-drop overlay styling
AJAXifies vote on comments