Make feedback email message html safe again
Make feedback email message html safe again

Fixes bug added in previous request.
CDLUC3/dmptool,CDLUC3/roadmap,CDLUC3/dmptool,DigitalCurationCentre/roadmap,CDLUC3/roadmap,CDLUC3/dmptool,DMPRoadmap/roadmap,DigitalCurationCentre/roadmap,DigitalCurationCentre/roadmap,CDLUC3/roadmap,DMPRoadmap/roadmap,CDLUC3/roadmap,CDLUC3/dmptool,DMPRoadmap/roadmap