Update overdue_projects.sql

HW ...

Q1: What is the scenario where my 'overdue' column is incorrect?
A1: It was marking projects overdue when they were not due and not yet submitted - oops. 

All I can currently think of (see below) results in neither a T or a F in the 'overdue' column (shows up as blank) for those projects that are not yet due or submitted. So that doesn't work.

Q2: Can you add project name, mentor name, student name, assigner name?
A2:  Attempted (see below)