Merge pull request dotnet/core-setup#5983 from wtgodbe/p6
authorWilliam Godbe <wigodbe@microsoft.com>
Mon, 22 Apr 2019 19:14:01 +0000 (12:14 -0700)
committerGitHub <noreply@github.com>
Mon, 22 Apr 2019 19:14:01 +0000 (12:14 -0700)
Update branding in master to preview6

Commit migrated from https://github.com/dotnet/core-setup/commit/ccc1bf52bb80869f7e84320f080de801d8d6a08f


Trivial merge