Bump babel to 6.9.

package.json

@@ -22,7 +22,7 @@
   },
   "homepage": "https://lolg.it/herby/test-redux-goodies#readme",
   "devDependencies": {
-    "babel-cli": "^6.3.17",
-    "babel-preset-es2015": "^6.3.13"
+    "babel-cli": "^6.9.0",
+    "babel-preset-es2015": "^6.9.0"
   }
 }