Sanitize filepaths for RepoStatistics
Rename LogLineParser.py to RepoStatistics.py
Merge pull request #50 from briandk/parse-git-log-data

Parse git log data for repo statistics
Wrap graphics output PDF creation into a function
Merge branch 'master' into r-graphics

Update for file renames and filepath sanitization
Call R Script from Python

Pass the repository path argument to the R script and output a single
PDF file.