made contexts formats more consistent
changed buttons, added notes

I changed the names of the buttons, and added some notes. I need to
submit data to a database, but I'm not sure right now how to do so.
Also, the plan is for the button to load a url, supplied with specific
details for the video instance page.
Nearly finished with Student Login

the Student_Login.html needs to be shared to be verified. Also, the
views.py that loads that html has been updated
Merge branch 'merged_kenw' of https://github.com/djorda9/Simulated-Conversations into merged_kenw