fix #889. User Defined Rollups were accidentally broken by move to 4 batch rollup classes.
Merge dev into feature/889-UDR-fixes
Merge pull request #916 from SalesforceFoundation/feature/889-UDR-fixes

fix #889. User Defined Rollups were accidentally broken by move to 4 bat...
Merge branch 'dev' into feature/499-hh-account-lookup-filters