Merge pull request #4234 from tillkruss/master

Updated changelog

CHANGELOG.md

 # Release Notes
 
+## [Unreleased]
+
+### Added
+- Added `optimize-autoloader` to `config` in `composer.json` ([#4189](https://github.com/laravel/laravel/pull/4189))
+- Added `.vagrant` directory to `.gitignore` ([#4191](https://github.com/laravel/laravel/pull/4191))
+- Added `npm run development` and `npm run prod` commands ([#4190](https://github.com/laravel/laravel/pull/4190), [#4193](https://github.com/laravel/laravel/pull/4193))
+- Added `APP_NAME` environment variable ([#4204](https://github.com/laravel/laravel/pull/4204))
+
+### Changed
+- Changed Laravel Mix version to `0.*` ([#4188](https://github.com/laravel/laravel/pull/4188))
+- Add to axios defaults instead of overwriting them ([#4208](https://github.com/laravel/laravel/pull/4208))
+- Added `string` validation rule to `RegisterController` ([#4212](https://github.com/laravel/laravel/pull/4212))
+- Moved Vue inclusion from `bootstrap.js` to `app.js` ([17ec5c5](https://github.com/laravel/laravel/commit/17ec5c51d60bb05985f287f09041c56fcd41d9ce))
+- Only load libraries if present ([d905b2e](https://github.com/laravel/laravel/commit/d905b2e7bede2967d37ed7b260cd9d526bb9cabd))
+- Ignore the NPM debug log ([#4232](https://github.com/laravel/laravel/pull/4232))
+- Use fluent middleware definition in `LoginController` ([#4229]https://github.com/laravel/laravel/pull/4229)
+
+
 ## v5.4.16 (2017-03-17)
 
 ### Added