Merge pull request #12206 from wtgodbe/OverlayOnly
authorWilliam Godbe <wigodbe@microsoft.com>
Fri, 9 Jun 2017 21:25:47 +0000 (14:25 -0700)
committerGitHub <noreply@github.com>
Fri, 9 Jun 2017 21:25:47 +0000 (14:25 -0700)
Add documentation for build-overlay-only


Trivial merge