do not output if service for core CSW record output (#108)
do not output if service for core CSW record output (#108)

PublicaMundi/pycsw,PublicaMundi/pycsw,kalxas/pycsw,kalxas/pycsw,rouault/pycsw,bukun/pycsw,ingenieroariel/pycsw,ckan-fcd/pycsw-fcd,ckan-fcd/pycsw-fcd,benhowell/pycsw,mwengren/pycsw,kevinpdavies/pycsw,ocefpaf/pycsw,kevinpdavies/pycsw,geopython/pycsw,ricardogsilva/pycsw,bukun/pycsw,tomkralidis/pycsw,mwengren/pycsw,kalxas/pycsw,ricardogsilva/pycsw,geopython/pycsw,geopython/pycsw,tomkralidis/pycsw,ricardogsilva/pycsw,tomkralidis/pycsw,bukun/pycsw,benhowell/pycsw,ocefpaf/pycsw,ingenieroariel/pycsw,rouault/pycsw