Do not test with Django 1.7 it does not work with Python 2.6

Signed-off-by: Michal Čihař <michal@cihar.com>
Added flag-handling for the new bugzilla to the Bug-class.

Signed-off-by: Florian Bergmann <fbergmann@suse.de>
Added tests for the new flag handling.

Signed-off-by: Florian Bergmann <fbergmann@suse.de>
Merge pull request #3 from bergmannf/flag-handling

Flag handling