Fix issues with express benchmark and synchronize package.json with template
diff --git a/package.json b/package.json
index 4827aac..30b4b67 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,7 @@
   },
   "devDependencies": {
     "async": "^1.5.0",
+    "body-parser": "^1.15.2",
     "express": "^4.14.0",
     "google-auth-library": "^0.9.2",
     "google-protobuf": "^3.0.0",