Merge branch 'master' into calc_version_size

apps/files/css/files.css

apps/files/js/filelist.js

apps/files/l10n/de.php

apps/files/l10n/de_DE.php

apps/files/l10n/en_GB.php

apps/files/l10n/et_EE.php

apps/files/l10n/fi_FI.php

apps/files/l10n/gl.php

apps/files/l10n/it.php

apps/files/l10n/pl.php

apps/files/l10n/pt_BR.php

apps/files/l10n/ru_RU.php

apps/files/l10n/sl.php

apps/files/l10n/tr.php

apps/files/templates/index.php

apps/files/tests/ajax_rename.php

apps/files_encryption/l10n/el.php

apps/files_encryption/l10n/pl.php

apps/files_encryption/l10n/sl.php

apps/files_encryption/lib/keymanager.php