A few nasty rumors were circulating that Barnes & Noble wouldn't accept its own gift cards for ebook purchases, but thankfully, the outfit has come clean today to refute those claims. 'Course, it's possible that this change in policy was a direct result of all the bickering, but either way, the company will be accepting physical gift cards and online gift certificates as payment for ebooks really, really soon. The cards will work on purchases made at B&N's website and through the Nook itself (not to mention "other devices using the B&N eReader software), and we're told that the new policy will be in full effect come "mid-December." In other w