Merge pull request Netflix#241 from kevgliss/0.2.2.release

adding changelog

Merge pull request Netflix#190 from kevgliss/0.2.1

0.2.1 release info

Merge pull request Netflix#167 from forkd/master

minor changes in quickstart guide

Merge pull request Netflix#129 from kevgliss/version

Version bump and needed documentation.

Hotfix Release

Merge pull request Netflix#81 from kevgliss/pipy

Minor fixes

Merge pull request Netflix#70 from jeremy-h/master

Adding me to authors

Merge pull request Netflix#32 from kevgliss/entropy

Adding docs explaining entropy and how lemur deals with it.