apachedex: we need to disable draggable inside graph

otherwise we zoom and drag in same time

apachedex/apachedex.js

@@ -69,5 +69,5 @@ function hideGraph(node) {
 }
 $(function() {
   $(".graph:visible").each(function (i){renderGraph(this)});
-  $(".hidden_graph .container").draggable();
+  $(".hidden_graph .container").draggable({cancel: "div.graph"});
 });