Clean up MSI builder.
- Remove reference to delete sample config
- Use found WiX tool
- gyp file cleaning
Generate a missing command error during the build.
Merge branch 'master' of ssh://github.com/racker/virgo into windows-installer

Conflicts:
	configure
while findign if the WiX paths are valid the paths need to be quoted.
when passing the paths into the tools they need to be wrapped in additional quotes.
Merge pull request #331 from rjemanuele/windows-installer

Windows installer