Removed Redundancy in lessons learned

changed lessons learned display into a function instead of being copied
in two places
Moved lessons learned to new file

Created lessons-learned.js because there was no where else to put the
displayLessonLearned
Adding CPI 2014 final exam problems
Fix for bug 2555
Fixed exam prob names
changes to try to get reset sliders button working
Merge branch 'master' into jonwetzel
Bug fix 2551
Merge branch 'master' into avaneesh
deleted math parser folder

deleted math parser folder
Readded math parser to make file

added logic to pull math parser from the repository
changed git ignore

added tests and math-parser to git ignore
reverted reset button changes
Added info on how to reset sliders

added text in graph window to tell users how to reset sliders
Reverted changes using options

Reverted changes of using the options parameter to choose where to
place the new nodes - note: will find a way to pass this without using
the “options” parameter
fixing math-parser problem
Fixing a bug where author-mode graphs would fail after sliders changed. (Part 2)
Improved fix to use triple equal comparators instead of double.
Merge branch 'jonwetzel'
Changed spaces to tab in makefile to prevent error.