- Don't hardcode network access to install or update packages
    - Add subclasses to our registered mime-types
    - Fix results from GetDistroUpgrades()
    - Format the package_id before showing it in the error detail
    - Download the ChangeLog data when we get the update list
    - Never return FALSE from StateHasChanged()
    - Fixes #506110, #504137, #499590 and #483164