chore(gen): bump node -> 5.10.1, npm -> 3.8.3

Author: Awk34

package.json

@@ -67,8 +67,8 @@
     "yeoman-test": "^1.1.0"
   },
   "engines": {
-    "node": "^4.4.0",
-    "npm": "^2.14.20"
+    "node": "^5.10.1",
+    "npm": "^3.8.3"
   },
   "license": "BSD-2-Clause"
 }