EDIT

ref #8776: correct enable/disable allowDuplicates

ref #8476: fix d&d in flat tree and cleanup

cleanup

fix #9644 fix NPE in term selection

ref #9630: setEnabled to source section

ref #8776, #9630: d&d from voc to tree and disable time period if fact is disabled

cleanup

ref #9630: default value for enable description element source is true

ref #9630: fix time period disabling and supplemental data enabling

ref #8776: fix d&d check for duplicates