[Python-Dev] CPython hg transition complete

I'm very happy to announce that the core Python repository switch to Mercurial is complete and the new repository at http://hg.python.org/cpython/ is now officially open for cloning, and for commits by those who had commit access to SVN. The developers' guide at http://docs.python.org/devguide/ has been updated to talk about Mercurial and should be enough to get anyone started with a clone. We'll