Change one varibale in the derivation in the from a to /alpha.

LocalWords:  sdfd
Update Comment Format

Update most of the comments to functions and classes. Didn't change
any of the doctests.
Convert Comments to Google Python Style

The comments for each of the codes were converted from their original format to match the format provided by the Google Python Style Guide. http://google-styleguide.googlecode.com/svn/trunk/pyguide.html.
Run autopep8 to clean up code

Run autopep8 to clean up code by removing unneeded white space. All the tests run will not errors.
Merge branch 'master' into issue57

Conflicts:
	pymks/__init__.py
	pymks/mksRegressionModel.py
	pymks/tools.py
Merge pull request #62 from davidbrough1/issue57

Issue57

Fix #57