Change authentication cookie to last a month.

Review Request #7740 — Created Oct. 26, 2015 and submitted — Latest diff uploaded

Information

student-sonar
master
eb2393a...

Reviewers

By default, express-session's cookies expire when the browser session closes.
This is annoying, since it means re-authorizing frequently. This change sets a
maxAge for the cookie to 30 days.

Logged in and checked the expiration on the session cookie.