Update FAQ page: new content and styling

lms/static/js/faq.js

+$(document).ready(function() {
+    var open_question = "";
+    var question_id;
+
+    $('.response').click(function(){
+        $(this).toggleClass('opened');
+	answer = $(this).find(".answer");
+        answer.slideToggle('fast');
+    });
+});

lms/static/sass/multicourse/_about_pages.scss

@@ -194,10 +194,28 @@
         margin-bottom: 40px;
 
         h3 {
+          background: url('/static/images/bullet-closed.png') no-repeat left 0.25em;
           font-family: $sans-serif;
           font-weight: 700;
           margin-bottom: 15px;
+          padding-left: 16px;
+          cursor: pointer;
         }
+
+        .answer {
+          display: none;
+          color: #3c3c3c;
+          padding-left: 16px;
+          font-family: $serif;
+          li {
+            line-height: 1.6em;
+          }
+
+        }
+      }
+
+      .opened h3 {
+        background: url('/static/images/bullet-open.png') no-repeat left 0.25em;
       }
     }
   }