It's perfectly valid to take the binaries rather than the MSI and that's partly why each release provides them as a separate package in the download.
Right now you will need to change the tasks file as indicated. I think you can just remove the whole propertygroup at the top of the file
I'm going to look at removing the need to do this in the September release. I also need to update docs you referenced. The September release will be compatible with StyleCop 4.7, not 4.6.....
Cheers
Mike