On Sun, Dec 22, 2013 at 9:03 AM, Richard W.M. Jones <rich@annexia.org>wrote:

(1) Putting a project on github increases the number of people
> submitting bug reports and pull requests using github's proprietary
> interface.  This is annoying because you need some way to tell them
> not to do this, and to deal with people who do it anyway.  (libguestfs
> -- hosted on github -- has an all-caps notice on the front page:
> http://github.com/libguestfs/libguestfs)
>

Click the settings icon at the middle right (for the individual repo, not
the general account settings at the top right). There, you can disable the
Issues and Wiki features. I don't know any way to prevent submission of
pull requests. (I don't agree that these features should be avoided. I
think GitHub is by far the best development tool set currently available.)