Add stderr redirect to fix Windows Popen issue
Add stderr redirect to fix Windows Popen issue

This Python issue http://bugs.python.org/issue3905 details a problem with `Popen` when the host process has been launched from the cmd line.

A workaround is to redirect ALL of stdin, stdout and stderr to PIPE.
fsharp/fsharpbinding,fsharp/fsharpbinding,fsharp/xamarin-monodevelop-fsharp-addin,nosami/xamarin-monodevelop-fsharp-addin,nosami/xamarin-monodevelop-fsharp-addin,fsharp/xamarin-monodevelop-fsharp-addin,Ming-Tang/fsharpbinding,Ming-Tang/fsharpbinding,fsharp/fsharpbinding,Ming-Tang/fsharpbinding