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/controllers/onboardings_controller_test.rb

@@ -82,7 +82,7 @@ class OnboardingsControllerTest < ActionDispatch::IntegrationTest
   test "should get goals" do
     get goals_onboarding_url
     assert_response :success
-    assert_select "h1", text: /What brings you to Maybe/i
+    assert_select "h1", text: /What brings you to Sure/i
   end
 
   test "should get trial" do