NaCl settings and completed install scripts.

visual_studio/NativeClientVSAddIn/InstallerResources/third_party/__init__.py

Index: visual_studio/NativeClientVSAddIn/InstallerResources/third_party/__init__.py
diff --git a/visual_studio/NativeClientVSAddIn/InstallerResources/third_party/__init__.py b/visual_studio/NativeClientVSAddIn/InstallerResources/third_party/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..5b6a96837e34047ad61643bb03d7e01fb51457dd
--- /dev/null
+++ b/visual_studio/NativeClientVSAddIn/InstallerResources/third_party/__init__.py
@@ -0,0 +1,31 @@
+"""Third party includes for the installer.
+
+Module contains:
+etree -- The ElementTree XML library.  This is a subset of the full
+       ElementTree XML release.
+
+"""
+
+
+__all__ = ["etree"]
+
+_MINIMUM_XMLPLUS_VERSION = (0, 8, 4)
+
+
+try:
+    import _xmlplus
+except ImportError:
+    pass
+else:
+    try:
+        v = _xmlplus.version_info
+    except AttributeError:
+        # _xmlplus is too old; ignore it
+        pass
+    else:
+        if v >= _MINIMUM_XMLPLUS_VERSION:
+            import sys
+            _xmlplus.__path__.extend(__path__)
+            sys.modules[__name__] = _xmlplus
+        else:
+            del v