src/main/java/org/olat/course/CourseFactory.java

src/main/java/org/olat/course/CourseUpgrade.java

src/main/java/org/olat/course/PersistingCourseImpl.java

src/main/java/org/olat/course/Structure.java

src/main/java/org/olat/course/_spring/courseContext.xml

.../course/groupsandrights/PersistingCourseGroupManager.java

src/main/java/org/olat/course/nodes/co/COEditController.java

...va/org/olat/course/repository/ImportCourseController.java

...main/java/org/olat/course/tree/CourseEditorTreeModel.java

src/main/java/org/olat/group/BusinessGroupService.java

.../org/olat/group/manager/BusinessGroupDeletionManager.java

...ava/org/olat/group/manager/BusinessGroupImportExport.java

...java/org/olat/group/manager/BusinessGroupServiceImpl.java

src/main/java/org/olat/upgrade/OLATUpgrade_8_2_0.java