removed everything about OS from repo service.
disabling tests for repository for now, until OS won't be fixed
Merge branch 'master' into closure
Merge branch 'master' into closure
Merge remote-tracking branch 'origin/master' into closure
Merge remote-tracking branch 'origin/master' into closure
removed id column and relation column
implemented add object (org. closure procedures)
Merge remote-tracking branch 'origin/master' into closure
Merge remote-tracking branch 'origin/master' into closure
Merge branch 'master' into closure
removed depth from closure table, many tests failing, org. closure manager not yet fully implemented. work in progress.
updated org. incorrect closure table, removed descendant oid column.
improving batch inserts, impl. update in org. closure manager.
Merge branch 'master' into closure
minor changes.
merge with master
Merge branch 'master' into closure
more improvements to closure manager, not yet working. Org. struct tests cleanup.
Merge remote-tracking branch 'origin/master' into closure