Add board mailer
Add tests for mailer methods
Add mailer methods and email templates
Add locale resources
Add localization to emails
Add state and state changed timestamp to user model
Add state machine to user model
Refactor user model
Add new ability to authority initializer
Add new ability to authorizer
Update users index view
Add new ability to User authorizer and refactor class abilities
Refactor user model
Add ban and allow methods to admin controller
Add new admin controller methods to routes
Refactor users index view
Add controller for public items
Add items view
Add new items resource to routes
Add items link to nav