(invite) --> (create to project to send invitation)
there is a bug setting the course title and description: https://william.wstein.org/projects/940b3c5d-bf3d-40e5-9851-2421362705a7/files/demo-course.course
major bug 2: adding an assignment doesn't work -- or it does but you have to open and close the course file to see it; the state of who received the assignment isn't correct always. the state of who had the assignment collected isn't correct.
link to standard ipython notebook server should go directly to the ipynb notebook
link in i button to get ipython terminal. ????