Fixed dateCreated, dateDeleted, and dateModified so that they are properties of DataFeedItem instead of DataFeed.
Fixed dateCreated, dateDeleted, and dateModified so that they are
properties of DataFeedItem instead of DataFeed.

vholland/schemaorg,pwz3n0/schemaorg,schemaorg/schemaorg,vholland/schemaorg,pwz3n0/schemaorg,schemaorg/schemaorg,dbs/schemaorg,vholland/schemaorg,twamarc/schemaorg,schemaorg/schemaorg,vholland/schemaorg,unor/schemaorg,gkellogg/schemaorg,gkellogg/schemaorg,gkellogg/schemaorg,unor/schemaorg,dbs/schemaorg,unor/schemaorg,tfrancart/schemaorg,ynh/schemaorg,tfrancart/schemaorg,lanthaler/schemaorg,twamarc/schemaorg,twamarc/schemaorg,lanthaler/schemaorg,gkellogg/schemaorg,schemaorg/schemaorg,dbs/schemaorg,tfrancart/schemaorg,tfrancart/schemaorg,ynh/schemaorg,schemaorg/schemaorg,dbs/schemaorg,pwz3n0/schemaorg,lanthaler/schemaorg,ynh/schemaorg