Upgrade fs-admin to v0.5.0

Author: Antonio Scandurra

package.json

@@ -48,7 +48,7 @@
     "diff": "^2.2.1",
     "emissary": "^1.0.0",
     "event-kit": "^2.4.0",
-    "fs-admin": "^0.1.7",
+    "fs-admin": "^0.5.0",
     "fs-plus": "^3.0.0",
     "grim": "^2.0.2",
     "mkdirp": "^0.5.1",