Use pkg_resources for look up module versions. Author: tk@giga.or.at Fixes (part of) #821
Use pkg_resources for look up module versions.
Author: tk@giga.or.at
Fixes (part of) #821


git-svn-id: 81e381228600e5752b80483efd2b45b26c451ea2@12260 e27351fd-9f3e-4f54-a53b-843176b1656c

trevor/calendarserver,trevor/calendarserver,trevor/calendarserver