Mobile Pond has released an update to the iPad version of Photogene, its popular photo editing and processing app. Photogene 3.1 now allows iPad 2 users to output images up to 21 megapixels (5616x4212) in size. The latest version now allows users to create new Facebook albums directly in the app, adds an intensity slider to gradient effects such as vignette and blur and provides a progress indicator when uploading photos. Several improvements and…