Fix docstr.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13711 e27351fd-9f3e-4f54-a53b-843176b1656c
Pull in pycalendar fix.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13712 e27351fd-9f3e-4f54-a53b-843176b1656c
CalDAV POSTs should have the owner of the outbox as the Originator.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13713 e27351fd-9f3e-4f54-a53b-843176b1656c