Single quotes need escaping, double don't.

- Handle splitted SM, including those at root.
- Allow caller to drop root SM (via 'get_matching_key').
- Fix detection of draft trees that are out of sync
  (cf commit 200bf7cb)

cf commit addfd436
("removed useless commits in flush")

Add ProductionOrderLine property sheet to Production Order Line portal type. It had to be added, but it did not.

CN is expressed as:

CN=name/email

And thanks to matching to CN/ it is possible to manage certificates like
user and useroink.

Increase time for convertion due to change to cloudoo (slow but more stable oood) and parallel test execution.

Update all known callers to use the new method.

Manage Gadget state in bt5.

Always use root web site.