Push jobs have weight 1 for now.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13477 e27351fd-9f3e-4f54-a53b-843176b1656c
Create augments.xml file(s) at startup, but also deal with them not being there if you're simply deleting an augment record.


git-svn-id: https://svn.calendarserver.org/repository/calendarserver@13478 e27351fd-9f3e-4f54-a53b-843176b1656c