* apt.Package:

- change all candidateInstalledSize() to installSize(useCandidate=True)

same for candidateOrigin() (see downloadable for a example).

- might be better to have "Package.candidate.{downloadable,size,etc}

* aptsources:

- make the distro detection in sources.list more clever by using the

origin informaton to avoid adding full uris to (unofficial/internal)

mirrors