Make version accessible from a single place #16

Package version is parsed from the setup.py file, so to change the
version, the single place where it has to be modified is in setup.py
Add license #16
Add author_email and change description #16
Add more files to be delivered with the package #16
Write README.rst to render nicely on PyPi #16
Merge pull request #17 from uberVU/16/Publish-on-PyPi

16/publish on py pi