EventOn Ticket Variations & Options 1.1.4

ADDED: variation data passed on to attendee data array view_attendee_list_data()
ADDED: compatibility with QR code addon to show variation data in checking page

FIXED: previous variation event data passing on to non variation events

ADDED: Single Variations to be able to sell as separate tickets
FIXED: booking varitaions are still showing even after disabled
FIXED: shopping cart styles