Add connect-flash dependency
Removed connect-flash dependency
Add passport dependency
Add local strategy to passport
Cleaned up express config and added passport middleware
Add passport configuration
Add user password check method
Re-add connect-flash dependency
Install flash middleware
Set up passport serialize/deserialize functions
Set up passport route for login
Add flash message to forms
Add error display to login and register forms
Add connect-ensure-login dependency and integrate it
Add null/unique validations to user model
Finish user login session and error handling
Add initial photo views