Send reminders to confirmed students (not WLed)
Organizer can download student CSV
Merge branch 'student-reminder-email' of https://github.com/fionatay/bridge_troll into fionatay-student-reminder-email
Merge branch 'organizer-csv-download' of https://github.com/fionatay/bridge_troll into fionatay-organizer-csv-download