merge master into hooks-view-same-start

apps/files_sharing/tests/api.php

core/ajax/share.php

lib/private/appframework/dependencyinjection/dicontainer.php

lib/private/connector/sabre/node.php

lib/private/files/storage/storage.php

lib/private/files/view.php

lib/private/group.php

lib/private/session/session.php

tests/lib/files/view.php