minor doc updates
minor doc updates

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