fix(package): update mitt to version 1.1.1 (vercel#1726)

greenkeeper[bot] · timneutkens · commit 68f568b0fc9c · 2017-04-22T14:59:30.000+02:00
https://greenkeeper.io/
diff --git a/package.json b/package.json
@@ -73,7 +73,7 @@
     "loader-utils": "1.1.0",
     "md5-file": "3.1.1",
     "minimist": "1.2.0",
-    "mitt": "1.1.0",
+    "mitt": "1.1.1",
     "mkdirp-then": "1.2.0",
     "mv": "2.1.1",
     "mz": "2.6.0",
