Revert r12469.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@12470 e27351fd-9f3e-4f54-a53b-843176b1656c
Minor clean up of XML service.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@12471 e27351fd-9f3e-4f54-a53b-843176b1656c
Remove bogus extra doc


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@12472 e27351fd-9f3e-4f54-a53b-843176b1656c
Start calendar & contacts directory support.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@12473 e27351fd-9f3e-4f54-a53b-843176b1656c