Angular-cli: [enhancement] Upgrade build system to Webpack 3

[avatsaev]

Bug Report or Feature Request (mark with an x)

- [ ] bug report -> please search issues before submitting
- [x] feature request

Desired functionality.

Consider upgrading to Webpack 3 for even lighter bundle sizes and optimizations.

Mention any other details that might be useful.

More info: https://medium.com/webpack/webpack-3-official-release-15fd2dd8f07b

[intellix]

https://github.com/angular/angular-cli/pull/6365/files

[devoto13]

@filipesilva This can be closed now.

[filipesilva]

Closing as we've updated.

[angular-automatic-lock-bot[bot]]

This issue has been automatically locked due to inactivity.
Please file a new issue if you are encountering a similar or related problem.

Read more about our automatic conversation locking policy.

_{_This action has been performed automatically by a bot._}