* Add leading space in big documentation block at the top
* Drop trailing spaces in code
* Update documentation to mention 'bb.utils.which' instead of 'which'
(From OE-Core rev: e220c8e308caac6ef1da038697927425a807d2f2)
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>