CONTRIB-5063 Groups - Fixed: "All participants" entries not visible to groups in group mode.
CONTRIB-5064 Acceptance tests - Added: Group modes test.
CONTRIB-5039 Acceptance tests - 5065: Scenarios for manage Access and Notification rules.
Code cleanup.
CONTRIB-5066 Notification rules - Fixed: Notification rules are displayed after deletion.
+ rule_manager::print_list() moved to the dataform renderer.
CONTRIB-5067 dataformfield_entrystate - Fixed: Entry state update fails with json error.
Code checker cleanup.
CONTRIB-5069 Activity completion - Improvement: Module-specific completion criterion 'require specific grade'.
CONTRIB-5070 Field entrystate - Adjustement.
CONTRIB-5039 Acceptance tests - 5071: Field entrystate completion require specific grade.
Code checker cleanup.
Mini release 2.6.3+