Merge pull request #198 from aplanas/master

Use the review state instead onf the request state in change_review_stat...
add 13.2 devel project fallback

look into Factory if a package is not in 13.2 or has no devel
project set there.

Also add command line options for verbose and dry run
Merge pull request #199 from lnussel/master

add 13.2 devel project fallback
remove lxde and xfce stuff from staging - we don't test them (yet)
explicitly require thunderbird
initial factory news script
enhance factory news
Merge pull request #200 from lnussel/master

script for creating rpm changelog diffs for packages
use tests are problematic
read directly form iso using pycdio
Merge pull request #201 from lnussel/master

read directly form iso using pycdio
Makes staging pluging Factory agnostic.