Merge branch 'master' into vagrantfile_prebuilt

build.ps1

@@ -245,6 +245,8 @@ function packer_build_box {
   $CurrentDir = Get-Location
   Set-Location "$DL_DIR\Packer"
   Write-Output "Using Packer to build the $BOX Box. This can take 90-180 minutes depending on bandwidth and hardware."
+  $env:PACKER_LOG=1
+  $env:PACKER_LOG_PATH="$DL_DIR\Packer"
   &$PackerPath @('build', "--only=$PackerProvider-iso", "$box.json")
   Write-Host "[packer_build_box] Finished for $Box. Got exit code: $LASTEXITCODE"