Merge pull request #154 from PCCMathProgramReview2014/alex-work

tidied enrollment and success rate summaries
Merge pull request #155 from PCCMathProgramReview2014/alex-work

tidied faculty turnover appendix
Merge pull request #156 from PCCMathProgramReview2014/alex-work

tidied instructor quals appendix
Merge pull request #157 from PCCMathProgramReview2014/alex-work

tidied professional dev summary
Merge pull request #158 from PCCMathProgramReview2014/alex-work

various small things
social justice headers removed, small spaces added/removed
Merge pull request #159 from challengeaneka/master

social justice headers removed, small spaces added/removed
added/rearranged content in places so that there is no subsection heading immediately following a section heading; also edited Virginia's PC info per her request