OO-595: enhancement to Shibboleth to support OMA, make the REST security token persistent
OO-646: allow link to catalog in HTML page
OO-595: add missing property in olat.properties for Shibboleth Mobile
Merge OpenOLAT 8.4 to OpenOLAT default branch with 2bdf0de453daa1ea57541a25092882639a7c8978
no-jira: fix issue after merge