uncomment: <feature>directory-gateway</feature>


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13834 e27351fd-9f3e-4f54-a53b-843176b1656c
deferToThread for OD queries


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13835 e27351fd-9f3e-4f54-a53b-843176b1656c
Get twext.who opendirectory deferToThread


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13836 e27351fd-9f3e-4f54-a53b-843176b1656c