fixes #30 - edit from summary with out js

app/controllers/candidate_controller.rb

@@ -26,14 +26,14 @@ class CandidateController < ApplicationController
   end
 
   def question
-    qid = prep_status.current_question_id
+    qid = prep_status.current_question_id || params[:question_id]
     redirect_to :summary and return if qid.nil?
     prep_question qid
     prep_instance_answer @question
   end
 
   def update_answer
-    qid = params[:qid] ||= prep_status.current_question_id
+    qid = answer_params[:question_id] || prep_status.current_question_id
     @answer = prep_answer qid
     send "process_#{prep_question(qid).input_type}"
   end
@@ -114,7 +114,7 @@ class CandidateController < ApplicationController
         render :question
       else
         # TODO: change params.key? to submit = save/next/summary
-        redirect_to :summary and return if params.key?(:update)
+        # redirect_to :summary and return if params.key?(:update)
         redirect_to :saved and return if params.key?(:save)
         redirect_to :question
       end

app/views/candidate/question.html.erb

@@ -22,7 +22,7 @@
     <% if @status.on_summary %>
 
       <div class="btn-container-summary">
-        <input type="submit" name="update" value="Save and return to summary">
+        <input type="submit" name="submit" value="Save and return to summary">
       </div>
 
     <% else %>

app/views/candidate/summary.html.erb

@@ -6,7 +6,7 @@
   </p>
 
   <% @quiz.each do |question| %>
-    <%= form_for(:answer, url: post_answer_path(answer_id: question.answer_id, qid: question.question_id), html:{class: 'summary-form'}) do |form| %>
+    <%= form_for(:answer, url: post_answer_path(answer_id: question.answer_id), html:{class: 'summary-form'}) do |form| %>
       <article class="answer-sec <%= question.input_type %>-type" data-qid="<%= question.question_id %>">
         <div class="question-heading">
           <div class="question-title">