Update Gemfile
Add seeds
Clean up UI
Dry statuses controller
Install Paperclip and add images attachment to statuses
Modify .gitignore
Change attachment link in statuses views
Add user avatars
Add avatar resizing
Add albums
Add pictures listing
Clean up albums and pictures views
Add breadcrumbs for albums and pictures
Secure albums and pictures controllers
Remove default scaffolds styles
Fix controllers tests
Add activity model, polymorphic associations and tests
Create activities in controllers and add tests
Display activity feeds
Add pagination for activity feed