[PATCH 11/11] docs: Alter heading of development install guide

[Andy Doan]

On 07/13/2016 04:41 AM, Stephen Finucane wrote:
> Divide the document into a Vagrant-based install section, and a manual
> install section (+ footnotes).
>
> Signed-off-by: Stephen Finucane <stephen.finucane at intel.com>

Reviewed-by: Andy Doan <andy.doan at linaro.org>

Seems orthogonal to the rest of this series. So feel free to merge this 
ahead of other changes if you don't want to wait on reviews for the rest 
of the series.