Instead of calling wrapService in every child to re-detect the appropriate property storage class, relay the exact configuration specified in the parent.
Instead of calling wrapService in every child to re-detect the appropriate property storage class, relay the exact configuration specified in the parent.

git-svn-id: 81e381228600e5752b80483efd2b45b26c451ea2@8402 e27351fd-9f3e-4f54-a53b-843176b1656c

trevor/calendarserver,trevor/calendarserver,trevor/calendarserver