setup_inigo.ps1 should not hardcode go version
$ErrorActionPreference = "Stop";
trap { $host.SetShouldExit(1) }
-$env:GOROOT="C:\var\vcap\packages\golang-1.12-windows\go"
+$env:GOROOT=(Get-ChildItem "C:\var\vcap\packages\golang-*-windows\go").FullName
$env:PATH= "$env:GOROOT\bin;$env:PATH"
$env:TMP = "C:\var\vcap\data\tmp"
$env:TEMP = "C:\var\vcap\data\tmp"
