OSIS-2198 Added field learning unit child allowed
OSIS-2198 Added field learning unit child allowed

	modified:   base/models/education_group_type.py

uclouvain/osis,uclouvain/OSIS-Louvain,uclouvain/OSIS-Louvain,uclouvain/osis,uclouvain/osis,uclouvain/osis,uclouvain/OSIS-Louvain