* Use timestamps reported via GetResourceLastImportTimes to trigger index rebuilds. * Add test for old last import time. * Don't reindex after bulk-import. It is now done indirectly via LastImportTime on all instances that own the index.
* Use timestamps reported via GetResourceLastImportTimes to trigger index rebuilds. * Add test for old last import time. * Don't reindex after bulk-import. It is now done indirectly via LastImportTime on all instances that own the index.