Update Python 3 support status

README.rst

@@ -34,8 +34,12 @@ Important links
 Dependencies
 ============
 
-The required dependencies to build the software are Python >= 2.6,
-setuptools, Numpy >= 1.3, SciPy >= 0.7 and a working C/C++ compiler.
+scikit-learn is tested to work under Python 2.6+ and Python 3.3+
+(using the same codebase thanks to an embedded copy of [six](
+http://pythonhosted.org/six/)).
+
+The required dependencies to build the software Numpy >= 1.3, SciPy >= 0.7
+and a working C/C++ compiler.
 
 For running the examples Matplotlib >= 0.99.1 is required and for running the
 tests you need nose >= 0.10.

doc/whats_new.rst

@@ -122,6 +122,10 @@ Changelog
      faster on sparse data (the speedup depends on the sparsity). By
      `Lars Buitinck`_.
 
+   - Python 3 support fixes by `Justin Vincent`_, `Lars Buitinck`_ and
+     `Olivier Grisel`_. All tests now pass under Python 3.3.
+
+
 API changes summary
 -------------------
 
@@ -1985,3 +1989,5 @@ David Huard, Dave Morrill, Ed Schofield, Travis Oliphant, Pearu Peterson.
 .. _Norbert Crombach: https://github.com/norbert
 
 .. _Eustache Diemert: https://github.com/oddskool
+
+.. _Justin Vincent: https://github.com/justinvf