Added some required fields to setup.py

setup.py

@@ -5,9 +5,13 @@ import os
 
 setup(name='cheat',
       version='1.0',
-      description='Create and view interactive cheatsheets on the command-line',  # nopep8
+      summary='Create and view interactive cheatsheets on the command-line',
+      homepage='',
       author='Chris Lane',
       author_email='chris@chris-allen-lane.com',
+      license='',
+      description='',
+      platform='Posix',
       url='https://github.com/chrisallenlane/cheat',
       packages=['cheatsheets'],
       package_data={'cheatsheets': [f for f in os.listdir('cheatsheets')