Merge branch 'master' into clean_up_util

.gitignore

3rdparty

apps/files/ajax/newfile.php

apps/files/ajax/upload.php

apps/files/css/files.css

apps/files/index.php

apps/files/js/file-upload.js

apps/files/js/fileactions.js

apps/files/js/filelist.js

apps/files/js/files.js

apps/files/js/keyboardshortcuts.js

apps/files/l10n/ar.php

apps/files/l10n/bg_BG.php

apps/files/l10n/bn_BD.php

apps/files/l10n/ca.php

apps/files/l10n/cs_CZ.php

apps/files/l10n/cy_GB.php

apps/files/l10n/da.php

apps/files/l10n/de.php

apps/files/l10n/de_DE.php