WP roles and capabilities are reassigned for better control.  The
freeseat function admin_mode() checks for the 'manage_freeseat' capability.
This user can do anything related to managing a show, including selling
tickets, setting up a show, and disabling seats.  The exception is that
the freeseat settings page is reserved for a user with administrator
capability.  This way people in the box office do not need the
administrator role, and cannot change anything else on the site.
Moving paypal configuration into the credit card block.