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
wsgi app
Merge pull request #204 from lnussel/master

web interface
move factory-package-news to subdirectory
fix path

remove not neede directoy specification
add script to fetch changes file and mail it
Merge pull request #205 from lnussel/master

add script to fetch changes file and mail it
don't error out of symlink doesn't exist initially
Merge pull request #206 from lnussel/master

don't error out of symlink doesn't exist initially
get rid of hard code Factory
Merge pull request #207 from nilxam/new_create_test_dvds

get rid of hard code Factory
Initial steps to make check_repo Factory agnostic.
Detect staged packages in a more robust way.

Instead of checking the review status of the request to detect
if a package is in a staging project, we use the staging API
knowledge about packages.

This fix the problem that happends when a staged request is
declined and reopened.