Merge pull request #33 from Halceyon/greenkeeper/babel-plugin-istanbul-6.0.0

Update babel-plugin-istanbul to the latest version 🚀

Author: Halceyon

package-lock.json

@@ -35,7 +35,7 @@
     "babel-cli": "^6.16.0",
     "babel-core": "^6.26.3",
     "babel-eslint": "^10.0.2",
-    "babel-plugin-istanbul": "^5.1.4",
+    "babel-plugin-istanbul": "^6.0.0",
     "babel-plugin-transform-runtime": "^6.15.0",
     "babel-preset-latest": "^6.16.0",
     "babel-preset-stage-0": "^6.16.0",