Merge branch 'rel/1.0.0' of https://github.com/dotnet/cli into cli-x86-support

scripts/run-build.ps1

@@ -7,6 +7,7 @@ param(
     [string]$Configuration="Debug",
     [string]$Architecture="x64",
     [switch]$NoPackage,
+    [switch]$RunInstallerTestsInDocker,
     [switch]$Help)
 
 if($Help)
@@ -17,6 +18,7 @@ if($Help)
     Write-Host "  -Configuration <CONFIGURATION>     Build the specified Configuration (Debug or Release, default: Debug)"
     Write-Host "  -Architecture  <ARCHITECTURE>      Build the specified architecture (x64 or x86 (supported only on Windows), default: x64)"
     Write-Host "  -NoPackage                         Skip packaging targets"
+    Write-Host "  -RunInstallerTestsInDocker         Runs the .msi installer tests in a Docker container. Requires Windows 2016 TP4 or higher"
     Write-Host "  -Help                              Display this help message"
     Write-Host "  <TARGETS...>                       The build targets to run (Init, Compile, Publish, etc.; Default is a full build and publish)"
     exit 0
@@ -33,6 +35,11 @@ else
     $env:DOTNET_BUILD_SKIP_PACKAGING=0
 }
 
+if ($RunInstallerTestsInDocker)
+{
+    $env:RunInstallerTestsInDocker=1
+}
+
 # Load Branch Info
 cat "$PSScriptRoot\..\branchinfo.txt" | ForEach-Object {
     if(!$_.StartsWith("#") -and ![String]::IsNullOrWhiteSpace($_)) {