More rebranding changes (#159)

* Replace Maybe for Sure in select code areas

* Make sure passwords are consistent

* Remove (admin|member) from demo data first name

* Database and schema names finally to `sure`

* Fix broken test

* Another (benchmarking) database name to `sure_*`

* More rebranding to Sure

* Missed this Maybe mention in the same page

* Random nitpicks and more Maybes

* Demo data accounts and more Maybes

* Test data account updates

* Impersonation test accounts

* Consistency with `compose.example.yml`

test/mailers/email_confirmation_mailer_test.rb

@@ -8,7 +8,7 @@ class EmailConfirmationMailerTest < ActionMailer::TestCase
     mail = EmailConfirmationMailer.with(user: user).confirmation_email
     assert_equal I18n.t("email_confirmation_mailer.confirmation_email.subject"), mail.subject
     assert_equal [ user.unconfirmed_email ], mail.to
-    assert_equal [ "hello@maybefinance.com" ], mail.from
+    assert_equal [ "hello@example.com" ], mail.from
     assert_match "confirm", mail.body.encoded
   end
 end