Add twextpy dependancies in directly for now becasuse I can't make pip do what I need it to do.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13233 e27351fd-9f3e-4f54-a53b-843176b1656c
Make pip install functions take any pip args.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13234 e27351fd-9f3e-4f54-a53b-843176b1656c
svn commit


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13235 e27351fd-9f3e-4f54-a53b-843176b1656c
Adds inTransaction( ) method to the store, and now delegates.py uses that.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13236 e27351fd-9f3e-4f54-a53b-843176b1656c
augments uses store.inTransaction


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13237 e27351fd-9f3e-4f54-a53b-843176b1656c
groups uses store.inTransaction; pass label to transaction creator


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13238 e27351fd-9f3e-4f54-a53b-843176b1656c