Refined definition of MediaObject to cover DataDownload. Fixes #1190.
Refined definition of MediaObject to cover DataDownload.
Fixes #1190.

gkellogg/schemaorg,tfrancart/schemaorg,schemaorg/schemaorg,unor/schemaorg,tfrancart/schemaorg,lanthaler/schemaorg,lanthaler/schemaorg,dbs/schemaorg,dbs/schemaorg,unor/schemaorg,tfrancart/schemaorg,gkellogg/schemaorg,gkellogg/schemaorg,dbs/schemaorg,vholland/schemaorg,schemaorg/schemaorg,tfrancart/schemaorg,schemaorg/schemaorg,vholland/schemaorg,lanthaler/schemaorg,unor/schemaorg,schemaorg/schemaorg,vholland/schemaorg,gkellogg/schemaorg,vholland/schemaorg,schemaorg/schemaorg,dbs/schemaorg