magenta -> cyan

Signed-off-by: Gregory M. Turner <gmt@be-evil.net>
kngclick: writedl highlighting

Implement bold-white highlighted terms in definition lists;
split out commas and spaces: don't highlight those.

Signed-off-by: Gregory M. Turner <gmt@be-evil.net>
script/kernelng: add framework descriptive name

Whereas before I was using just "prog" everywhere to refer to the
entire framework, it seems sensible to use a descriptive name, in case,
at some point in the future, argv[0] should ever change or get more
complicated.

Signed-off-by: Gregory M. Turner <gmt@be-evil.net>