add Load JSON button.

dream/platform/static/index.html

@@ -57,6 +57,7 @@
         <div class="six columns alpha">
           <div>Input</div>
           <textarea rows="20" cols="47" id="json_output"></textarea>
+          <a id="load_json">Load JSON</a>
         </div>
         <div class="six columns alpha">
           <div>Result</div>

dream/platform/static/src/dream_launcher.js

@@ -413,6 +413,13 @@
     $(window).resize(function () {
       dream_instance.redraw();
     });
+
+    // Load JSON button for debugging
+    $("#load_json").button().click(function () {
+      dream_instance.clearAll();
+      loadData(JSON.parse($("#json_output").val()));
+    });
+
   });
 
   $("#graph_zone").hide();