fixes a few minor changes
adds box plot
adds sage banner
changes layout to accomodate plots and images
change Sage title in line with their website
changes images
adds new plots
adds matching game
more text added
bit more about validation
adds tandem queue image
adds new diagram
adds spacing
Some minor typography, listing and including picture for stackelberg game
Reordering things so that they are in the correct place
Reording (sorry for useless commit messages)