Flickr has released an update to its official application for the iPhone and iPod touch adding support for preserving EXIF data when uploading photos as well as a number of other improvements. Flickr 1.3 now allows users to include all EXIF data from photos uploaded via the app, including date, time and the original geo-location of the photo. The update also includes a new photo picker that allows users to select up to five photos for batch uploading…