CLC-2372 - Build instructor "add user to Canvas course" feature
Merge pull request #1903 from redconfetti/CLC-2372-instructor-add-user

CLC-2372 - Build instructor "add user to Canvas course" feature
CLC-2866 Disable whitelist blocking
Merge pull request #1904 from raydavis/raywip

CLC-2866 Disable whitelist blocking