Renamed requirements file.
Merge pull request #208 from ankurankan/ve

Inference
Corrected docstring of TabularCPD.normalize
adds logos to repo
Merge pull request #223 from ankurankan/dev

adds logos to repo
fit method for BayesianModel [refs #224]
minor change in docstring
fixed pep8
corrected fit method [ref #224]
corrected fit method [refs #224]
adds docstring [refs #224]
corrected fit and other function [refs #224]
corrected fit method [refs #224]
a very dirty hack to make TabularCPD's __init__ to work with both python lists and numpy arrays
fixed fit method [refs #224]
docstring edit
adds pandas to requirements and update numpy version
removed breakpoint
dirty hack
tests for fit method [INCOMPLETE] [refs #224]