Convert text files with DOS or Mac line breaks to Unix line breaks and
vice versa. Features:
* Automatically skips binary and non-regular files.
* In-place, paired, or stdio mode conversion.
* Keep original file dates option.
* 7-bit and iso conversion modes like SunOS dos2unix.
* Conversion of Windows UTF-16 files to Unix UTF-8.
ok/reminder about /usr/local (now subst'ed in do-configure) ajacoutot@
ok pirofti
