Use fs-extra for copying files synchronously

Also, sorry about the diff. Turns out some of the files in the repo were CRLF.

package.json

@@ -41,5 +41,8 @@
         "to": "utils"
       }
     ]
+  },
+  "dependencies": {
+    "fs-extra": "^0.30.0"
   }
 }