Fixes [YOCTO #6159]
I applied some review edits to various parts of the QA chapter
as derived by Paul Eggleton. Also, updated two areas of the
insane.bbclass list.
(From yocto-docs rev: 6529a261961339b747bb3b89b3080ef794244809)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>