chore(package): update dependencies (#1)

greenkeeper[bot] · tunnckoCore · commit 65cd3cc5a9bd · 2016-12-22T22:21:47.000+02:00
https://greenkeeper.io/
diff --git a/package.json b/package.json
@@ -32,6 +32,6 @@
     "visa"
   ],
   "devDependencies": {
-    "ava": "^0.0.4"
+    "ava": "^0.16.0"
   }
 }
