fix unsubscribe link
and set session timeout to 30’
Handle seeds
Merge pull request #133 from despo/fix-unsubscribe-link

fix unsubscribe link
update specs and fabricators
Merge pull request #134 from despo/fix-seeds

Fix seeds
remove unused Reminders
add reminder_at to invitations
Merge pull request #135 from despo/update-workshop-reminders

Update workshop reminders
add icalendar
Merge pull request #136 from despo/add-ical

add icalendar