Update devDeps to latest

Author: SimenB

package.json

@@ -25,11 +25,11 @@
   "homepage": "https://github.com/SimenB/add-asset-html-webpack-plugin#readme",
   "dependencies": {},
   "devDependencies": {
-    "babel-cli": "^6.4.5",
-    "babel-plugin-add-module-exports": "^0.1.2",
-    "babel-preset-es2015": "^6.3.13",
+    "babel-cli": "^6.9.0",
+    "babel-plugin-add-module-exports": "^0.2.1",
+    "babel-preset-es2015": "^6.9.0",
     "in-publish": "^2.0.0",
-    "standard": "^6.0.1"
+    "standard": "^7.1.1"
   },
   "peerDependencies": {
     "html-webpack-plugin": "^2.10.0"