dev-20190514
da3894157bc5cc27a36ff1b18f8b8c1542a57393 Merge pull request #3974 from nextcloud/richDocumentsOptionalMimetypes 22b352a47d8aa95b5e822f9f0ce711041b84c02e Merge pull request #4013 from nextcloud/emailOnError 8424fd1b95cbc5a040558abc29d4802eddeda96e email on error 8bc713ee463d87d671c99b216aef1a16d5b1fc70 daily dev 20190513