bpo-36010: Add venv to the nuget distribution (GH-12367)

Misc/NEWS.d/next/Windows/2019-03-16-10-24-58.bpo-36010.dttWfp.rst

@@ -0,0 +1 @@
+Add the venv standard library module to the nuget distribution for Windows.

PC/layout/support/options.py

@@ -53,7 +53,15 @@ def public(f):
     },
     "nuget": {
         "help": "nuget package",
-        "options": ["stable", "pip", "distutils", "dev", "props"],
+        "options": [
+            "dev",
+            "tools",
+            "pip",
+            "stable",
+            "distutils",
+            "venv",
+            "props"
+        ],
     },
     "default": {
         "help": "development kit package",

Tools/nuget/make_pkg.proj

@@ -28,7 +28,7 @@
         <PythonArguments>$(PythonArguments) -b "$(BuildPath.TrimEnd(`\`))" -s "$(PySourcePath.TrimEnd(`\`))"</PythonArguments>
         <PythonArguments>$(PythonArguments) -t "$(IntermediateOutputPath)obj"</PythonArguments>
         <PythonArguments>$(PythonArguments) --copy "$(IntermediateOutputPath)pkg"</PythonArguments>
-        <PythonArguments>$(PythonArguments) --include-dev --include-tools --include-pip --include-stable --include-launcher --include-props</PythonArguments>
+        <PythonArguments>$(PythonArguments) --preset-nuget</PythonArguments>
         
         <PackageArguments Condition="$(Packages) != ''">"$(IntermediateOutputPath)pkg\pip.exe" -B -m pip install -U $(Packages)</PackageArguments>