Update language translation files (*.ts). * be_BY.ts, de_DE.ts, en_US.ts, es_ES.ts, fr_FR.ts, it_IT.ts, ja_JP.ts, nl_NL.ts, pt_BR.ts, pt_PT.ts, ru_RU.ts, uk_UA.ts, zh_CN.ts: Update from latest source.

%!function r = f (x)
%!  if (ischar (x))
%!    r = x;
%!  else
%!    error ("expecting character string");
%!  endif
%!endfunction

%!assert (eval ("f 10;"), "10");