Merge branch 'seas-sandbox' of github.com:linkedin/sensei into seas-s…

…andbox

sensei-core/src/main/java/com/senseidb/servlet/AbstractSenseiClientServlet.java

@@ -671,7 +671,14 @@ public void destroy() {
       super.destroy();
     }
   }
-
+
+  /**
+   * This class is a hack to allow the servlet to export the broker components
+   * to outside services. Since this components are instantiated here as part 
+   * of the servlet initialization, it is a workaround to expose it through a 
+   * placed holder instance injected via ServletContext by the builder of this
+   * servlet and its container. 
+   */
   public static class SenseiBrokerExport {
     public AbstractSenseiClientServlet servlet;
     public ClusterClient clusterClient;