Created specs for StaticPagesController.
Implemented controller specs for ParticipantsController class.
Updated resources definitions for user accounts and participants.
Made user accounts controller specs dry.
Implemented controller specs for SessionsController class.
Replaced strings with symbols in controllers render templates methods.
Implemented controller specs for CrewsController class.
Added all crew leads as participants.
Removed primary attribute from Participant spec.
Fixed account activation link.
Added buttons 'Can't access to my account' to registration and login pages.
Set new resource in routes. Setup cant_access_path.
Setup 'Can't access' link in new account registration page.
Created password reset controller and its spec.
Designed page for password reset. Covered by view specs.
Defined routes and actions for password reset controller.
Renamed password reset related view and view specs.
Created the set of pending specs for PasswordResetController class.