[tx-robot] updated from transifex

apps/files/l10n/it.php

apps/files/l10n/ja_JP.php

apps/files/l10n/ka_GE.php

apps/files/l10n/ko.php

apps/files/l10n/lt_LT.php

apps/files/l10n/lv.php

apps/files/l10n/nb_NO.php

apps/files/l10n/nl.php

apps/files/l10n/nn_NO.php

apps/files/l10n/pl.php

apps/files/l10n/pt_BR.php

apps/files/l10n/pt_PT.php

apps/files/l10n/ro.php

apps/files/l10n/ru.php

apps/files/l10n/si_LK.php

apps/files/l10n/sk_SK.php

apps/files/l10n/sl.php

apps/files/l10n/sr.php

apps/files/l10n/sv.php

apps/files/l10n/ta_LK.php