[Pharo-project] Phexample official repository?

Hi, http://smalltalkhub.com/#!/~Phexample/Phexample says that the official repository is on www.squeaksource.com, but contains more recent commits than the SS one. And there's also http://smalltalkhub.com/#!/~PharoExtras/Phexample. The PharoExtras repo _looks_ like it's _sort've_ a copy of the Phexample/Phexample one. What's the real story here? Where do I submit features/fixes? frank