[1.0.X] Fixed #9783; clarified install docs and FAQ to explain that Django...

[1.0.X] Fixed #9783; clarified install docs and FAQ to explain that Django does not yet work with Python 3.0. Was [9628] in trunk.

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@9629 bcc190cf-cafb-0310-a4f2-bffc1f526a37