repeat the footer inside the infopage and question containers

The <footer> tag is now repeated inside the container elements for info
pages and questions, instead of being directly under the <main> tag.

This means that the footer is always visible while looking at a
question.

Author: christianp

themes/default/files/resources/exam.css

@@ -504,6 +504,10 @@ input.jme {
     padding-top: 1em;
 }
 
+#questionContainer .copyright-footer {
+    margin-top: 0;
+}
+
 .mainDisplay {
 	margin: 0 0;
 	overflow-x: hidden;

themes/default/templates/index.html

@@ -38,8 +38,6 @@
                     {% include 'infopage.html' %}
 
                     {% include 'question.html' %}
-
-                    {% include 'footer.html' %}
                 </main>
             </div>
         </div>

themes/default/templates/infopage.html

@@ -17,4 +17,6 @@ <h1 id="infopage-result-header" class="text-center break-words" data-bind="latex
     <div id="results" class="container-fluid" data-bind="visible: infoPage()=='result', if: infoPage()=='result'">
         {% include 'result.html' %}
     </div>
+
+    {% include 'footer.html' %}
 </div>

themes/default/templates/question.html

@@ -6,5 +6,8 @@
             <div id="question-wrapper" class="print-visible" data-bind="promise: html_promise, visible: isCurrentQuestion">
             </div>
         </div>
+
+        {% include 'footer.html' %}
     </div>
+
 </div>