[api] fix project relationship creation during maintenance incident creation (issue #364)
[api] fix execution of automatic request approval

also introducing default admin user definition and do some cleanup
[backend] publish: use hard links instead of symlinks for arch metadata

Our download redirector follows the links, this confuses arch's installer.
[API] Fix wierd ldap code.
[API] fix 500 error on first login.
[API] Fix realname extracting during creation from ldap.
[webui] Move comment view files out of shared
[webui][api] Move comments to the show pages, simplify them