Merge pull request dotnet/coreclr#10949 from wtgodbe/ImageVersion
authorWilliam Godbe <wigodbe@microsoft.com>
Thu, 13 Apr 2017 20:28:08 +0000 (13:28 -0700)
committerGitHub <noreply@github.com>
Thu, 13 Apr 2017 20:28:08 +0000 (13:28 -0700)
Update Ubuntu14.04 Cross Docker image

Commit migrated from https://github.com/dotnet/coreclr/commit/1b5a3d56a1886fa742c4b0ae8cf215bef1b322ac


Trivial merge