Groupon: Use "Name As Appears on ID" instead of "Owner's Name"

[dilijev]

Owner's Name is sometimes an incomplete name or pseudonym used on Groupon. The column 21 value should be more accurate. In case it is blank, fall back on Owner's Name which (AFAIK) is required to be non-blank.

Column Index 20
Custom Field Label
First And Last Name As It Appears On Id Of Person Picking Up Tickets At Box Office (For example: John Smith)

Column Index 21
Custom Field Value