Allow provisioning of users out of the com.apple.access_calendar SACL group in certain circumanstances where we can't search based on the services locator.
Allow provisioning of users out of the com.apple.access_calendar SACL group in certain circumanstances where we can't search based on the services locator.

git-svn-id: 81e381228600e5752b80483efd2b45b26c451ea2@1850 e27351fd-9f3e-4f54-a53b-843176b1656c

trevor/calendarserver,trevor/calendarserver,trevor/calendarserver