Add Usage, license, etc to README
Add Usage, license, etc to README

silshack/spring2016,silshack/spring2014,silshack/summer2017,silshack/summer2017,silshack/summer2017,gerbal/Song-of-560,silshack/fall2013,silshack/summer2017,meefen/laumn16,silshack/spring2016,silshack/spring2016,meefen/laumn16,silshack/professorjekyll,silshack/summer2017,gerbal/Song-of-560,silshack/spring2016,silshack/spring2016