git-svn-id: https://svn.calendarserver.org/repository/calendarserver@12740 e27351fd-9f3e-4f54-a53b-843176b1656c
git-svn-id: https://svn.calendarserver.org/repository/calendarserver@12741 e27351fd-9f3e-4f54-a53b-843176b1656c
Work on a slightly different "jobs" based queuing system.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@12742 e27351fd-9f3e-4f54-a53b-843176b1656c
Conditional import of OpenDirectory; unblocks linux


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@12743 e27351fd-9f3e-4f54-a53b-843176b1656c