OSIS-872 Added field to ignore for data changed on proposal
OSIS-872 Added field to ignore for data changed on proposal

	modified:   base/forms/learning_unit_proposal.py

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