Added four chapters to the directory. I based these chapters off
of an existing YP manual. I also updated the .gitignore file
so that it will support ingnoring profile-manual make operations.
(From yocto-docs rev: f9658f627fe9d8d6868ce74e9550ea16d23c4156)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>