Import the latest pkgdb-sync-bugzilla script from the infra repo
Adjust the setup.py script to install pkgdb-sync-bugzilla in /usr/bin
Make pkgdb-sync-bugzilla rely on the configuration file from pkgdb2
Add settings specific/used by the ``pkgdb-sync-bugzilla`` script in the default configuration
Include SITE_ROOT and SITE_URL in the default configuration
Update the sample configuration file

This changes include the new configuration key:
SITE_ROOT and SITE_URL which provide information as to where the application
is deployed
PKGDB2_BUGZILLA_NOTIFY_EMAIL and BUGZILLA_COMPONENT_API used by the
pkgdb-sync-bugzilla script to sync package information from pkgdb to
bugzilla
Move the pkgdb-sync-bugzilla from getopt to argparse
Add a PKGDB2_BUGZILLA_DRY_RUN configuration key to specify in the pkgdb-sync-bugzilla script runs for real or not
Adjust the DRY_RUN flag in pkgdb-sync-bugzilla

The flag now relies on the configuration file or the cli argument to
debug the script
Add a little more debugging when running with --debug
Move the pkgdb-sync-bugzilla to use its own bugzilla user/password
Merge pull request #80 from fedora-infra/pkgdb-sync-update

Pkgdb sync update