Add MIT License

We can change licenses in the future, but MIT is a good default because it's
very open and simple, and as OSS we definitely need a license.
Change to 1 inch margins
Fix apostrophe bug
Add CB's notes on the proposal
Merge branch 'proposal'
Update proposal and CB notes
Database
Update proposal with Noah's paragraph
Database V0.1
Database V0.2
Update proposal with schedule subsections
Update users table
Update user index
Update database

Update names and indexes for tables sectionTAs, sectionTeachers, and
sectionStudents (which are the new names).
Update database

Add table courses and update table sections
Update database

Update assignments, grades, and policies, and other minor fixes
Update database connections
Update database

Add table sectionAssignments
Update database

Add major updates to tables based on whiteboard discussion between
Joel and Jacob.
Update database and add image of it