Legend:
 - [MUM] = Update Manager
 - [MSC] = Muon Software Center

-[MSC] Commercial app support. (See: software-center/db/update.py, backends/restfulclient.py)
       Example URL: https://software-center.ubuntu.com/api/2.0/applications/en/ubuntu/precise/amd64/
-[MSC] Review submittal (Use KIO::storedHttpPost)
-[MSC] Add an on-hover magnifying graphic to the screenshot preview
-[MSC] Include addons size in Total size calculation
-[MSC] When going back from a child breadcrumb, hide the crumb, but still be able to go forward
