Update numpy and scipy requirement

README.rst

@@ -39,7 +39,7 @@ scikit-learn is tested to work under Python 2.6, Python 2.7, and Python 3.4.
 `six <http://pythonhosted.org/six/>`_). It should also work against Python
 3.3.
 
-The required dependencies to build the software NumPy >= 1.6.1, SciPy >= 0.9
+The required dependencies to build the software NumPy >= 1.6.2, SciPy >= 0.11
 and a working C/C++ compiler.
 
 For running the examples Matplotlib >= 0.99.1 is required and for running the
@@ -86,7 +86,7 @@ Contributing
 Quick tutorial on how to go about setting up your environment to
 contribute to scikit-learn: https://github.com/scikit-learn/scikit-learn/blob/master/CONTRIBUTING.md
 
-Before opening a Pull Request, have a look at the 
+Before opening a Pull Request, have a look at the
 full Contributing page to make sure your code complies
 with our guidelines: http://scikit-learn.org/stable/developers/index.html