live coder refactor fixes #36 and #50

app/controllers/quiz_controller.rb

@@ -5,6 +5,7 @@ class QuizController < ApplicationController
     qid = prep_status.current_question_id || params[:question_id]
     redirect_to :summary and return if qid.nil?
     prep_question qid
+    @answer = prep_answer qid
     prep_instance_answer @question
   end
 
@@ -14,13 +15,6 @@ class QuizController < ApplicationController
     send "process_#{prep_question(qid).input_type}"
   end
 
-  def live_coder
-    prep_question params[:question_id]
-    prep_instance_answer @question
-    prep_answer params[:question_id]
-    render @question.input_type, layout: false
-  end
-
   def summary
     @quiz = current_candidate.my_quiz
     redirect_to :question and return unless prep_status.current_question_id.nil?