fixed gratitude lookup bug
working on 1-click unsubscribe
Merge branch 'master' into unsubscribe
work on changing notification preferences w/o being signed in
added logged-out unsubscribe for group notifications
finished email confirmation for unsubscribes
new unsubscribe notice function
started adding contact-notifications
.
ui for new-contact notifications
unsubscribe for gratitude emails
testing one-click unsubscribe emails
more testing
Merge branch 'master' into unsubscribe

Conflicts:
	src/email/gratitude-notification.lisp
	src/email/group-membership-invitation-notification.lisp
	src/email/group-membership-request-notification.lisp
	src/email/helpers.lisp
	src/email/matching-offer-notification.lisp
	src/email/message-notification.lisp
	src/email/transaction-actions.lisp
	src/features/settings.lisp
still testing
done testing, fixing settings page responsive display
overhauled settings html/css
finished testing