feat(vertxbus): add override for vert.x event bus bridge client

package-overrides/github/larrytin/bower-vertxbus.json

@@ -0,0 +1,16 @@
+{
+   "format": "amd",
+   "registry": "jspm",
+   "main": "vertxbus",
+   "deps": {
+      "sockjs-client": "0.3.4"
+   },
+   "shim": {
+      "vertxbus": {
+         "deps": [
+            "sockjs-client"
+         ],
+         "exports": "vertx"
+      }
+   }
+}

registry.json

@@ -255,6 +255,7 @@
   "url": "github:jspm/nodelibs-url",
   "util": "github:jspm/nodelibs-util",
   "vm": "github:jspm/nodelibs-vm",
+  "vertxbus": "github:larrytin/bower-vertxbus",
   "virtual-dom": "npm:virtual-dom",
   "vue": "npm:vue",
   "webcomponents": "npm:webcomponents",