Merge pull request #5 from MetaMask/xtend_add

Added xtend to package.json

package.json

@@ -16,12 +16,13 @@
     "eth-store": "^1.1.0",
     "ethereumjs-tx": "^0.6.7",
     "ethereumjs-util": "^1.3.5",
+    "faux-jax": "git+https://github.com/kumavis/faux-jax.git#c3648de04804f3895c5b4972750cae5b51ddb103",
     "inject-css": "^0.1.1",
     "metamask-ui": "^1.0.0",
     "readable-stream": "^2.0.5",
     "web3": "^0.15.1",
     "web3-provider-engine": "^5.0.1",
-    "faux-jax": "git+https://github.com/kumavis/faux-jax.git#c3648de04804f3895c5b4972750cae5b51ddb103"
+    "xtend": "^4.0.1"
   },
   "devDependencies": {
     "grunt": "~0.4.1",