Points out the package name directly

Forces setuptools to see the package and successfully install when
requested.

setup.py

@@ -32,7 +32,7 @@ def read(*names, **kwargs):
     author='Charalampos Mavroforakis',
     author_email='cmav@bu.edu',
     url='https://github.com/harrymvr/absorbing-centrality',
-    packages=find_packages('absorbing_centrality'),
+    packages=['absorbing_centrality'],
     # package_dir={'': 'absorbing_centrality'},
     # py_modules=[splitext(basename(path))[0] for path in glob('absorbing_centrality/*.py')],
     include_package_data=True,