Merge pull request #286 from sjanuary/nan

Undo removal of NAN dependency

Author: tobespc

package.json

@@ -6,10 +6,10 @@
     "node-hc": "bin/appmetrics-cli.js"
   },
   "dependencies": {
+    "nan": "2.x",
     "tar": "2.x"
   },
   "devDependencies": {
-    "nan": "2.x",
     "node-gyp": "2.x",
     "tap": "^5.7.x"
   },