Fix tests, add applications to eager loading/cache for statuses, fix

application website validation, don't link to app website if website isn't set,
also comment out animated boost icon from #464 until it's consistent with non-animated version

spec/controllers/api/v1/statuses_controller_spec.rb

@@ -4,7 +4,8 @@ RSpec.describe Api::V1::StatusesController, type: :controller do
   render_views
 
   let(:user)  { Fabricate(:user, account: Fabricate(:account, username: 'alice')) }
-  let(:token) { double acceptable?: true, resource_owner_id: user.id }
+  let(:app)   { Fabricate(:application, name: 'Test app', website: 'http://testapp.com') }
+  let(:token) { double acceptable?: true, resource_owner_id: user.id, application: app }
 
   before do
     allow(controller).to receive(:doorkeeper_token) { token }

spec/fabricators/application_fabricator.rb

@@ -0,0 +1,5 @@
+Fabricator(:application, from: Doorkeeper::Application) do
+  name         'Example'
+  website      'http://example.com'
+  redirect_uri 'http://example.com/callback'
+end