Merge pull request #56 from jokeyrhyme/greenkeeper/ava-0.24.0

Update ava to the latest version 🚀

Author: jokeyrhyme

package.json

@@ -10,7 +10,7 @@
     "find-up": "^2.1.0"
   },
   "devDependencies": {
-    "ava": "^0.23.0",
+    "ava": "^0.24.0",
     "eslint": "^4.0.0",
     "eslint-config-standard": "^11.0.0",
     "eslint-plugin-import": "^2.2.0",