Merge pull request #17041 from owncloud/ocp-since-checker

autotest.sh

build/OCPSinceChecker.php

lib/public/appframework/db/doesnotexistexception.php

lib/public/appframework/db/entity.php

lib/public/appframework/db/mapper.php

...blic/appframework/db/multipleobjectsreturnedexception.php

lib/public/defaults.php

lib/public/files/folder.php

lib/public/files/locknotacquiredexception.php

lib/public/iuser.php

lib/public/iusermanager.php