Displaying all session days, and adding viewpager to flip between them.
Fixing NPE when cancelling a barcode scan.
Adding about screen, with support and attributions.
Improving layout on mid-sized tablets.
Mostly successful attempts at implementing loading and updating of session feeds from the web. Still buggy, so including updated local json file for now as workaround.
Cropping header background width to avoid "texture too large to be uploaded" error on Nexus 7.
Making tablet dimensions much more reasonable.
Handling configChanges.