webpack beta 25 update

package.json

@@ -57,7 +57,7 @@
     "ts-node": "^1.3.0",
     "tslint": "^3.15.1",
     "typescript": "^2.0.0",
-    "webpack": "^2.1.0-beta.22",
+    "webpack": "^2.1.0-beta.25",
     "webpack-node-externals": "^1.4.3"
   },
   "repository": {

webpack.config.js

@@ -21,8 +21,7 @@ module.exports = {
         ]
     },
     resolve: {
-        extensions: ['', '.ts'],
-        modulesDirectories: ['./src', './node_modules']
+        extensions: ['.ts']
     },
     plugins: [
         new webpack.BannerPlugin(