disabled_oauth_sign_in_sources column

db/migrate/20160504091942_add_disabled_oauth_sign_in_sources_to_application_settings.rb

+class AddDisabledOauthSignInSourcesToApplicationSettings < ActiveRecord::Migration
+  def change
+    add_column :application_settings, :disabled_oauth_sign_in_sources, :text
+  end
+end

db/schema.rb

@@ -80,6 +80,7 @@ ActiveRecord::Schema.define(version: 20160508194200) do
     t.boolean  "repository_checks_enabled",         default: false
     t.text     "shared_runners_text"
     t.integer  "metrics_packet_size",               default: 1
+    t.text     "disabled_oauth_sign_in_sources"
   end
 
   create_table "audit_events", force: :cascade do |t|