fix condenser build with node 8.5 and webpack 1.5

package.json

@@ -7,7 +7,7 @@
     "test": "eslint --quiet src test; mocha -t 20000 --require babel-polyfill --require babel-register",
     "test-auth": "npm test -- --grep 'steem.auth'",
     "build": "npm run build-browser && npm run build-node",
-    "build-browser": "rm -rf dist && NODE_ENV=production webpack && gzip -k -f ./dist/*.js && du -h ./dist/*",
+    "build-browser": "rm -rf dist && NODE_ENV=production node ./node_modules/webpack/bin/webpack.js && gzip -k -f ./dist/*.js && du -h ./dist/*",
     "build-node": "mkdir -p ./lib && cp -r ./src/* ./lib/ && babel ./src --out-dir ./lib",
     "prepublish": "npm run build",
     "postinstall": "postinstall-build lib && cross-env scripts/post-install.js"

webpack/makeConfig.js

@@ -84,7 +84,6 @@ function makeConfig(options) {
       loaders: [
         {
           test: /\.js?$/,
-          exclude: /node_modules/,
           loader: 'babel',
         },
         {