chore(package): update expand-home-dir to version 2.0.0

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -59,7 +59,7 @@
     "benchmark": "^2.0.0",
     "chai": "~3.5.0",
     "coveralls": "^2.11.11",
-    "expand-home-dir": "0.0.3",
+    "expand-home-dir": "2.0.0",
     "fake-fs": "^0.5.0",
     "grunt": "~1.0.1",
     "grunt-cli": "~1.2.0",