include mocha and chai in cdn for sdk test runner

package.json

@@ -40,12 +40,11 @@
         "uglify-js": "2.4.16",
         "ws": "0.4.31",
         "read": "~1.0.5",
-        "form-data": "~0.2.0"
-    },
-    "devDependencies": {
+        "form-data": "~0.2.0",
         "chai": "~1.5.0",
         "mocha": "~1.8.1"
     },
+    "devDependencies": {},
     "licenses": [],
     "bundledDependencies": [
         "ace",