Boulder-based Graphic.ly, the online comic book startup headed by Micah Baldwin, is powering a new graphic comic app on the updated Barnes & Noble Nook electric reader. Barnes & Noble updated its Nook Color today, allowing the electronic reader to support third party applications, email, web, and video access. Graphic.ly said that it has debuted three graphic novels, Mouse Guard: Fall 1152; Wanted; and Irredeemable on the new platform.