Updated version on PyPI

I've just uploaded the latest version on PyPI so that users can use the newly added algorithms. 

https://pypi.python.org/pypi?name=metric-learn&version=0.1.1&:action=display

Author: terrytangyuan

setup.py

@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 from setuptools import setup
 
-version = "0.1.0"
+version = "0.1.1"
 setup(name='metric-learn',
       version=version,
       description='Python implementations of metric learning algorithms',