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`

lib/tasks/data_migration.rake

@@ -10,7 +10,7 @@ namespace :data_migration do
     eu_items.find_each do |item|
       request = Plaid::ItemWebhookUpdateRequest.new(
         access_token: item.access_token,
-        webhook: "https://app.maybefinance.com/webhooks/plaid_eu"
+        webhook: "https://app.sure.am/webhooks/plaid_eu"
       )
 
       provider.client.item_webhook_update(request)