Merge pull request #22789 from owncloud/dav-sharesproperty

apps/dav/lib/connector/sabre/serverfactory.php

apps/dav/lib/connector/sabre/sharesplugin.php

apps/dav/lib/connector/sabre/sharetypelist.php

apps/dav/tests/unit/connector/sabre/sharesplugin.php

apps/files/appinfo/application.php

apps/files/controller/apicontroller.php

apps/files/service/tagservice.php

apps/files/tests/controller/apicontrollertest.php

apps/files_sharing/js/share.js

apps/files_sharing/js/sharedfilelist.js

apps/files_sharing/tests/js/shareSpec.js

build/integration/features/bootstrap/WebDav.php

build/integration/features/webdav-related.feature