deps - bump web3-provider-engine to 10.0.1

Fixes https://github.com/MetaMask/metamask-plugin/issues/1163
Fixes https://github.com/MetaMask/provider-engine/issues/121

package.json

@@ -109,7 +109,7 @@
     "valid-url": "^1.0.9",
     "vreme": "^3.0.2",
     "web3": "0.18.2",
-    "web3-provider-engine": "^10.0.0",
+    "web3-provider-engine": "^10.0.1",
     "web3-stream-provider": "^2.0.6",
     "xtend": "^4.0.1"
   },