Rebased to version 0.9.0
bugzilla: modify: add --dependson (Don Zickus)
bugzilla: new: add --groups option (Paul Frields)
bugzilla: modify: Allow setting nearly every bug parameter
NovellBugzilla implementation removed, can't get it to work
Gracefully handle private bugs (bz #963979)
Raise error if python-magic is needed (bz #951572)
CVE-2013-2191: Add SSL host and cert validation (bz #975961, bz #951594)