some more porting

apps/files/ajax/list.php

apps/files/ajax/rawlist.php

apps/files/index.php

apps/files_sharing/get.php

apps/files_versions/ajax/getVersions.php

apps/files_versions/history.php

apps/files_versions/templates/history.php

apps/user_openid/appinfo/app.php

lib/public/user.php

lib/public/util.php

lib/user.php

lib/util.php