Merge pull request #17 from Alexandre-io/greenkeeper/npm-5.2.0

Update npm to the latest version 🚀

Author: Alexandre-io

package.json

@@ -37,7 +37,7 @@
     "chalk": "~2.0.0",
     "changelog": "~1.3.1",
     "cli": "~1.0.1",
-    "npm": "~5.1.0",
+    "npm": "~5.2.0",
     "semver-compare": "~1.0.0"
   },
   "devDependencies": {