Merge pull request #855 from MITx/bug/tomg/nested-hints

tweaked collapsible selector to target the proper section

common/lib/xmodule/xmodule/css/capa/display.scss

@@ -572,7 +572,7 @@ section.problem {
         }
       }
 
-      section {
+      > section {
         padding: 9px;
       }
     }

common/lib/xmodule/xmodule/js/src/collapsible.coffee

@@ -11,7 +11,7 @@ class @Collapsible
     ###
     el.find('.longform').hide()
     el.find('.shortform').append('<a href="#" class="full">See full output</a>')
-    el.find('.collapsible section').hide()
+    el.find('.collapsible header + section').hide()
     el.find('.full').click @toggleFull
     el.find('.collapsible header a').click @toggleHint