recruiter can edit candidate

completes #82

app/helpers/application_helper.rb

@@ -11,6 +11,10 @@ module ApplicationHelper
                        ], disabled: "-", selected: (val.blank? ? '' : val))
   end
 
+  def quiz_options quizzes, selected_val
+    options_from_collection_for_select(quizzes, 'id', 'name', selected_val)
+  end
+
   def admin_role_options val
     options_for_select([
                          %w(Reviewer reviewer),