[IMP] document, edi, procurement: use new method Registry.get_cursor()
[FIX] website/tests: fix test_requests by manually switching registry to test mode
[IMP] document, edi, procurement: use method Registry.cursor() (formerly get_cursor)
[IMP] lunch: add security rules, it's very impolite to look in other people plates
[IMP] edi: use context manager for new cursor
[FIX] website: The separator block is not working (no drop zone)
[MERGE] test_cursor: adapt code to small api changes in registry for handling http tests
[IMP] lunch: add security rules, it's rude to look at other people's food