Upgraded browserify to 8.1.1.

Author: mcollina

examples/ws/index.html

@@ -10,7 +10,6 @@
 
       client.on("message", function(topic, payload) {
         alert([topic, payload].join(": "));
-        client.end();
       });
 
       client.publish("mqtt/demo", "hello world!");

package.json

@@ -69,8 +69,8 @@
   "dependencies": {
     "ascoltatori": "~0.19.0",
     "async": "~0.9.0",
-    "brfs": "1.2.0",
-    "browserify": "~5.9.1",
+    "brfs": "1.3.0",
+    "browserify": "~8.1.1",
     "bunyan": "~1.2.3",
     "commander": "~2.3.0",
     "deepcopy": "^0.3.3",