Added Time Plot versions of existing bar graphs. If the bar graph had been stacked, included a summative track. This was not done in the case of the pass rates by term though. The only appropriate summative tracking would average the pass rates for the four terms weighted by enrollments for each term.
Merge pull request #9 from PCCMathProgramReview2014/alex-work

Added Time Plot versions of existing bar graphs. If the bar graph had be...