Merge branch 'master' into develop

Author: exhuma

setup.cfg

@@ -1,2 +1,2 @@
-[bdist_wininst]
-bitmap=cluster.bmp
+[bdist_wheel]
+universal=1

setup.py

@@ -1,4 +1,4 @@
-from distutils.core import setup
+from setuptools import setup
 
 readme_contents = open("README.rst").read()
 
@@ -10,7 +10,7 @@
 
 setup(
     name='cluster',
-    version='1.2.2',
+    version=open('cluster/version.txt').read().strip(),
     author='Michel Albert',
     author_email='[email protected]',
     url='https://github.com/exhuma/python-cluster',