Merge pull request #201 from lnussel/master

read directly form iso using pycdio
Makes staging pluging Factory agnostic.
Merge pull request #202 from aplanas/master

Makes staging pluging Factory agnostic.
cope with new staging prjs

they do not have a bootstrap-copy build result the very first time
Merge pull request #203 from openSUSE/coolo_fix_new_stagings

cope with new staging prjs
web interface for package changelog diffs