The dev-manual title changed to the Yocto Project Development Tasks
Manual. Updated a link. Also, fixed a link to a term that should
have been internal to the ref-manual and not external to the dev-manual.
(From yocto-docs rev: 82a44632fd614db1ac00d2e2b4ec85ade77b9aff)
Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>