setup/adprep: import the latest {Domain-Wide,Forest-Wide,Read-Only-Domain-Controller,Schema}-Updates.md
We have Domain-Wide-Updates.md and Read-Only-Domain-Controller-Updates.md only
for completeness, they are not parsed/used yet, so we added .unused in
order to avoid confusion in future.
Initially I tried to go with an ms_domain_updates_markdown.py,
but it is easier to add the current updates by hand to
domain_update.py, which will follow in the next commits.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>