bumped to 2.0.8 for stable release
updated readme
bumped documentation to 2.0.8
added a part to the README about 0.5.7
Use https git clone url

This allows anonymous users to clone the repository
Added notes on dependencies for Twisted and PyOpenSSL
Added PyPi version badge, linked travis-ci badge
Merge pull request #43 from datasift/feature/readme-improvements

Attempted to improved installation instructions in README
fixed livestreaming with multiple subscriptions
Added the Dynamic List endpoints