upgrade script for deleting duplicate events for specimen requirement
Merge branch 'plus-trunk' of https://github.com/NCIP/catissue-core into plus-trunk
Merge branch 'plus-trunk' of https://github.com/NCIP/catissue-core into plus-trunk
Merge branch 'plus-trunk' of https://github.com/NCIP/catissue-core into plus-trunk
changes for displaying participant name as empty string instead of null