That is correct and was an issue that came up in the DWG call today. Will rescind the pull request and make some changes prior to sending again. 

> On Apr 23, 2014, at 7:52 PM, David Glazer <notifications@github.com> wrote:
> 
> In CONTRIBUTING.md:
> 
> >  
> > -TODO: Put in information about mailing list
> > +[Our mailing list](https://groups.google.com/forum/#!forum/dwgreadtaskteam) serves as the place to reach out to the GA4GH developer community about general questions, help with reference implementations, and other issues that are not directly related to development of the formats and API's themselves. 
> I believe the mailing list is public-readable, but only member-writable -- unless that's changed, we shouldn't point people there.
> 
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