1.5.1 Bug fixes
- Hotfixes wrong links in 403 error page if enforce authentication was on
- Hotfixes wrong translation in 403 error page for ECAS instances
- Removes return type hints not compatible with PHP 5.6
- Adds functionality to provide more than one mapping field to ownCloud userdata fields (e.g. DisplayName can now be concatenated by a firstname and a lastname CAS-field)