Merge branch 'Sprint/2020-20' into 'master'

Sprint/2020 20

See merge request coscine/cs/organization-parser!7

OrganizationLoader/Program.cs

@@ -299,7 +299,8 @@ namespace Coscine.OrganizationLoader
                 {
                     streamWriter.WriteLine($"<{rorId}#{organization.OrgId}>");
                     streamWriter.WriteLine($"   rdfs:label \"{organization.Name}\" ;");
-                    streamWriter.WriteLine($"   org:identifier \"{organization.OrgId}\" ;");
+                    streamWriter.WriteLine($"   org:identifier \"org-id:{organization.OrgId}\" ;");
+                    streamWriter.WriteLine($"   org:identifier \"ikz:{organization.IKZ}\" ;");
                     streamWriter.WriteLine($"   a org:OrganizationalUnit ;");
                     streamWriter.WriteLine(".");
                 }