- fix initialization of the "variant original" widget on the product modify page (mod only for now)
- fix issue where submissions weren't being cleared upon review (reported by Engledogg)
- fix layout issues with submission review page introduced with yesterday's changes (reported by Engledogg)
- when deleting products, blank out any other products that referred to the target product as being the "variant original" (more on all this variant stuff later)
