Made fixes to user login and allowed for saved user cookie which is checked on initial page loads.
More changes to make sure user information is present before loading planner data, added ability to logout for users and save user information in a coookie.
On login form/modal - removed cancel button, added validation checkmark for nonempty username and password fields, and added alerts. Also fixed logout redirect.
Redirect page on login when already logged in, added user view, changed isAuthenticated to isLoggedIn.