Initial implementation of the Reviewer Model in the reviewer.py module.
Initial implementation of the Reviewer Model in the reviewer.py module.

Review: http://codereviews.googleopensourceprograms.com/42

MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging