updated org. incorrect closure table, removed descendant oid column.
improving batch inserts, impl. update in org. closure manager.
Quick fix for testing/story compilation errors.
Merge branch 'master' into closure
minor changes.
org. filter min/max removed, schema not yet updated
fixed model-intests tests.
cleanupTasks removed from repository api and impl.
improved org. filter queries, now not based on depth.
merge with master