Ldap.txt: cleanup and update column names.

This change goes in hand with the PR fixing #2587. It updates
the description of the logic used for LDAP user lookup and mentions
the new column in the "experimenter" table.
Add documentation for new release job infrastructure
Use HTTPS for all CI servers
Fix typo on install web page
in-place import user reqs
Inplace import user and group security set-up
Minor formatting fix
Merge pull request #2 from hflynn/ci_release_servers

Minor formatting fix
Final tidying
Merge pull request #3 from hflynn/ci_release_servers

Final tidying
Actually final tidying this time!
Improving wording
Merge pull request #4 from hflynn/ci_release_servers

Actually final tidying this time!
Merge pull request #1021 from sbesson/ci_release_servers

Review documentation for release infrastructure
Merge pull request #1022 from hflynn/minor-tidying

In-place import user & group set-up plus minor tidy
Merge pull request #1014 from bpindelski/2587_ldap_docs

Ldap.txt: cleanup and update column names.
Update auto-generated properties

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