Added a new section on "Matching Branch Requirement for Git Fetching"
into the BitBake section. Plus, made some minor corrections to
some of the 1.5 sections.
(From yocto-docs rev: 326a8009ca0bef0a4686510bb521010d8f58ac81)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>