Merge pull request #1608 from owncloud/fix-shared-links

apps/files_encryption/hooks/hooks.php

apps/files_sharing/css/public.css

apps/files_sharing/lib/sharedstorage.php

apps/files_sharing/public.php

apps/files_sharing/templates/authenticate.php

apps/files_sharing/templates/public.php

lib/files/filesystem.php

lib/filesystem.php

lib/ocs/cloud.php

lib/util.php

tests/lib/files/cache/updater.php

tests/lib/files/filesystem.php