added setup files for pip

setup.cfg

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+# Inside of setup.cfg
+[metadata]
+description-file = README.md

setup.py

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+from distutils.core import setup
+
+setup(
+  name = 'ReNView',         # How you named your package folder (MyLib)
+  packages = ['ReNView'],   # Chose the same as "name"
+  version = '1.1',      # Start with a small number and increase it with every change you make
+  license='GNU Lesser GPL v3',        # Chose a license from here: 
+https://help.github.com/articles/licensing-a-repository
+  description = 'Visualizer for complex reaction systems',   # Give a short description about your library
+  author = 'Udit Gupta',                   # Type in your name
+  author_email = '[email protected]',      # Type in your E-Mail
+  url = 'https://github.com/VlachosGroup/ReNView',   # Provide either the link to your github or to your website
+  download_url = 'https://github.com/VlachosGroup/ReNView/archive/1.1.tar.gz',    # I explain this later on
+  keywords = ['Reaction flux analysis', 'reaction path analysis', 'visualization', 'reaction network', 'graph representation', 'data compression'],   # Keywords that define your package best
+  install_requires=[            # I get to this in a second
+          'pandas',
+          'graphviz',
+		  'numpy',
+		  'pydot'
+      ],
+  classifiers=[
+    'Development Status :: 3 - Alpha',      # Chose either "3 - Alpha", "4 - Beta" or "5 - Production/Stable" as the current state of your package
+    'Intended Audience :: Developers',      # Define that your audience are developers
+    'Topic :: Software Development :: Build Tools',
+    'License :: OSI Approved :: GNU Lesser GPL v3 License',   # Again, pick a license
+    'Programming Language :: Python :: 3',      #Specify which pyhton versions that you want to support
+    'Programming Language :: Python :: 3.4',
+    'Programming Language :: Python :: 3.5',
+    'Programming Language :: Python :: 3.6',
+  ],
+)