Nightly Build missing themeing files

[mcgear]

Bug:

Using the npm reference:
"@angular/material": "git+https://github.com/angular/material2-builds.git",

Starting with last nights builds the /core/themeing/_all-theme.scss (all-theme.scss) file is missing. When adding it from source manually, all indications are that other referenced scss files are missing as well.

What is the expected behavior?

Expect to see the all-theme.scss file at correct location for use in custom themeing

What is the current behavior?

all-theme.scss and other scss files missing from build

What are the steps to reproduce?

Install material from nightly build:
git+https://github.com/angular/material2-builds.git

Providing a Plunker (or similar) is the best way to get the team to see your issue.
Plunker template: https://goo.gl/DlHd6U

What is the use-case or motivation for changing an existing behavior?

Which versions of Angular, Material, OS, browsers are affected?

I am using Angular 4.0.0-rc.3

Is there anything else we should know?

[devversion]

Thanks. It's a known issue and will be fixed with PR #3661

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