add option to override user attributes from SSO payload

add an external_username attribute for username from SSO payload

repair the field name in SingleSignOnRecord migration

move setting of external_username for sso to controller

add settings toggle to override username/email from SSO payload

fix changing of external username after override toggle

complete tests and logic for sso override

add some extra context to username override option

add external_email and external_name to single sign on record

add setting for name override from SSO payload

complete override with stored external_email and external_name

add missing checks to tests

remove an unneeded describe block

break up a monster method for single sign on

fixes for sso attribute override after failed tests

db/migrate/20140228005443_add_external_username_to_single_sign_on_record.rb

@@ -0,0 +1,5 @@
+class AddExternalUsernameToSingleSignOnRecord < ActiveRecord::Migration
+  def change
+    add_column :single_sign_on_records, :external_username, :string
+  end
+end

db/migrate/20140228173431_add_external_email_and_external_name_to_single_sign_on_record.rb

@@ -0,0 +1,6 @@
+class AddExternalEmailAndExternalNameToSingleSignOnRecord < ActiveRecord::Migration
+  def change
+    add_column :single_sign_on_records, :external_email, :string
+    add_column :single_sign_on_records, :external_name, :string
+  end
+end