change feedmerger: drop null in returen; switch: use title of feed for author tags; might need to become more complex (multiple authors etc) at some point in the future".
change feedmerger: drop null in returen; switch: use title of feed for author tags; might need to become more complex (multiple authors etc) at some point in the future".

boolesrings/mathblogging-base,mathblogging/mathblogging-base,boolesrings/mathblogging-base,mathblogging/mathblogging-base