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/integration/oauth_mobile_test.rb

@@ -8,7 +8,7 @@ class OauthMobileTest < ActionDispatch::IntegrationTest
     sign_in(@user)
 
     @oauth_app = Doorkeeper::Application.create!(
-      name: "Maybe Mobile App",
+      name: "Sure Mobile App",
       redirect_uri: "sureapp://oauth/callback",
       scopes: "read"
     )