The source project of this merge request has been removed.
#047801fd cleans up locking while extracting SP/IdP from metadata, fixing some weird warnings, and preventing changes in case of locking failure.
#8492b67d, #02877a59 and #8b0040aa add additional features to update-metadata.php script, as remote metadata support, and count-based safety check.
#2ae94956 is a first attempt to reorganize project files setup.