Extracted view allowing to select the crew to the separate partial.
Added predefined stub object for Crew model.
Implemented display_name attribute in Crew model.
Extracted view code displaying user account details to the separate partial.
Implemented approved?, payment_sent?, payment_received?, payment_confirmed? attributes in Participant model.
Implemented approve, send_payment, receive_payment, confirm_payment methods in Participant model.
Extracted participants detail in the separate partial.
Prevented disabled links to be clicked.
Implemented correct button behaviors for all available actions in user profile page.
Styled warning text when the crew is not selected for the user account.
Implemented ability to select crew for the user account.
Fixed specs for crew selector partial.
Included MailersHelper module to all mailers.
Covered by specs update_crew controller action.