Bump recursive-readdir. (facebook#1560)

Author: wtgtybhertgeghgtwtg

package.json

@@ -56,7 +56,7 @@
     "postcss-loader": "1.3.1",
     "promise": "7.1.1",
     "react-dev-utils": "^0.5.0",
-    "recursive-readdir": "2.1.0",
+    "recursive-readdir": "2.1.1",
     "strip-ansi": "3.0.1",
     "style-loader": "0.13.1",
     "url-loader": "0.5.7",