Merge branch 'master' into move-datadirectory-checks

apps/files/ajax/delete.php

apps/files/ajax/getstoragestats.php

apps/files/ajax/scan.php

apps/files/ajax/upload.php

apps/files/css/files.css

apps/files/index.php

apps/files/js/fileactions.js

apps/files/js/files.js

apps/files/js/jquery-visibility.js

apps/files/l10n/el.php

apps/files/l10n/es_AR.php

apps/files/l10n/gl.php

apps/files/l10n/nl.php

apps/files/l10n/pl.php

apps/files/l10n/ro.php

apps/files/l10n/zh_CN.php

apps/files/templates/part.breadcrumb.php

apps/files/templates/part.list.php

apps/files_encryption/templates/settings.php

apps/files_external/lib/amazons3.php