[tx-robot] updated from transifex

apps/files_external/l10n/ar.php

apps/files_external/l10n/bg_BG.php

apps/files_external/l10n/es.php

apps/files_external/l10n/es_AR.php

apps/files_external/l10n/fa.php

apps/files_external/l10n/hr.php

apps/files_external/l10n/hu_HU.php

apps/files_external/l10n/ia.php

apps/files_external/l10n/it.php

apps/files_external/l10n/ja_JP.php

apps/files_external/l10n/ka_GE.php

apps/files_external/l10n/ku_IQ.php

apps/files_external/l10n/lb.php

apps/files_external/l10n/lv.php

apps/files_external/l10n/mk.php

apps/files_external/l10n/ms_MY.php

apps/files_external/l10n/nn_NO.php

apps/files_external/l10n/oc.php

apps/files_external/l10n/pl.php

apps/files_external/l10n/sr.php