Add therubyracer gem
Add default profile images
Display navigation links only if logged in
Style products#show
Add kaminari gem
Customize kaminari views
Notify by email of new comments
Add letter_opener & test emails
Add sucker_punch with email threading
Create projects-users relationship
Support projects-users relationship in forms and controller
Add carrierwave gem and user avatar
Add users profile
Add avatar uploading form
Add sunspot
Add mini_magick
Add avatars with fallback images