EDIT

fix #7728 Fix initialisation of form toolkit in DateElement

fix #7717: color of end fields in partial element are grey if disabled

ref #7717: parse field should not be updated if it is the event source

cleanup

fix #7717: add continued flag to timeperiod ui

cleanup

move the parse field at the top of datedetails and add tooltip

ref #7415: add external link section to original source part

fix #7681 Update date field when editing parse field

fix #7665 Use iterator to avoid ConcurrentModificationException