Build against Go 1.5 in travis environment where docker version is < 1.9 where docker sends invalid host headers https://groups.google.com/forum/#\!topic/golang-codereviews/CPeFXzMJRzI
Build against Go 1.5 in travis environment where docker version is < 1.9 where docker sends invalid host headers https://groups.google.com/forum/#\!topic/golang-codereviews/CPeFXzMJRzI

ClusterHQ/dvol,ClusterHQ/dvol,ClusterHQ/dvol