Defined route for change password.
Implemented specs covered PasswordResetController class.
Added generate_reset_token and reset methods to UserAccount model.
Implemented redirect to change password path.
Fixed route for reset password functionality.
Corrected UserAccount generate_reset_token and reset methods behavior to update DB attributes.
Fixed the bug in mail sender address.
Fixed the bug in password reset controller.
Created change password controller and its spec file.
Restored failed password reset controller spec.
Implemented change password and update password actions in UserAccountsController class.
Defined routes for change password and update password actions.
Deleted change password controller and its specs.
Covered by view specs change password template view.
Implemented correct validation for change password view.
Sent email in change password action.