added tasks to fix up template and its children that have nil versionable_ids
added tasks to fix up template and its children that have nil versionable_ids

DMPRoadmap/roadmap,CDLUC3/dmptool,DigitalCurationCentre/roadmap,DigitalCurationCentre/roadmap,DMPRoadmap/roadmap,CDLUC3/dmptool,DigitalCurationCentre/roadmap,CDLUC3/dmptool,CDLUC3/dmptool,DMPRoadmap/roadmap