Changed padding on close and changed so only the a closes sidebar

--HG--
branch : close_sidebar

accordion_init.js

@@ -4,7 +4,7 @@ $("#accordion").accordion({
   autoHeight: false,
 });
 
-$("#open_close_accordion").click(function(){
+$("#open_close_accordion a").click(function(){
   if ($(".course-wrapper").hasClass("closed")){
     $(".course-wrapper").removeClass("closed");
   } else {

sass/_courseware.scss

@@ -245,6 +245,8 @@ div.course-wrapper {
       padding-left: 4px;
 
     div#open_close_accordion {
+      padding: 0;
+
       a {
         background-image: url('/static/images/slide-right-icon.png');
       }