1. OS? Windows 7, 8 or 10. Linux (which distribution). Mac OSX (Yosemite? El Capitan?)
   Running in docker on ElementaryOS (Latest)
2. Versions. Please run ng --version. If there's nothing outputted, please run
   in a Terminal: node --version and paste the result here:
   angular-cli: 1.0.0-beta.11-webpack.2
   node: 5.12.0
   os: linux x64
3. Repro steps. Was this an app that wasn't created using the CLI? What change did you
   do on your code? etc.
   Just upgraded to rc5.
4. The log given by the failure. Normally this include a stack trace and some
   more information.
   None
5. Mention any other details that might be useful.

I want to use the bootstrap-sass repo from npm, but webpack is not recognizing it.
I read about a bootstrap-sass-loader for webpack, but I can't find the webpack config file.
Anyway I can add/edit loaders etc.