Added a marathon and admin controller.  Added a migration to the user to have an admin flag.  Added validation for the marathon table.  Added a couple views to get to working with the adding a marathon. I need to finish the marathon controller to make it work and then make a list view for all the marathons so that you can see the changes.
Merge branch 'master' of https://github.com/cosc617g4/project

I am getting the latest commit to merge and then push