user_external External user support

Use external user authentication methods like IMAP, SMB, FTP, WebDAV, HTTP BasicAuth and XMPP

Use external user authentication methods like IMAP, SMB, FTP, WebDAV, HTTP BasicAuth and XMPP 0.6.1 agpl Robin Appelman https://github.com/nextcloud/user_external#readme tools integration https://github.com/nextcloud/user_external/ https://github.com/nextcloud/user_external/issues https://github.com/nextcloud/user_external.git