Error on adding primeng/primeui to a angular-cli webpack project

1. OS?
   Linux 4.4.0-34-generic long update time 285707ms #53-Ubuntu SMP Wed Jul 27 16:06:39 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

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: local (v1.0.0-beta.11-webpack.2, branch: master)
   node: 6.4.0
   os: linux x64

   git log on local angular-cli clone:
   latest master commit is:
   commit 1f4c6fe
   Author: Mike Brocchi mbrocchi@gmail.com
   Date: Mon Aug 29 00:05:32 2016 -0400

   feat(feature): add ability to generate feature modules (feat(feature): add ability to generate feature modules #1867)

3. Repro steps. Was this an app that wasn't created using the CLI? What change did you
   do on your code? etc.
   added primeng to a project:
   npm install --save primeng primeui
   added "../node_modules/primeui/themes/omega/theme.css", "../node_modules/font-awesome/css/font-awesome.min.css", "../node_modules/primeui/primeui-ng-all.min.css" to apps[0].styles
   ng build

4. The log given by the failure. Normally this include a stack trace and some
   more information.

ERROR in ./~/primeui/images/loadingbar.gif
Module parse failed: <PROJECT_PATH>/node_modules/primeui/images/loadingbar.gif Unexpected character '�' (1:6)
You may need an appropriate loader to handle this file type.
(Source code omitted for this binary file)
 @ <CLI_CLONE_PATH>/angular-cli/~/css-loader!<CLI_CLONE_PATH>/angular-cli/~/postcss-loader!./~/primeui/primeui-ng-all.min.css 6:16675-16709
 @ ./~/primeui/primeui-ng-all.min.css
 @ multi styles

ERROR in ./~/primeui/images/loading.gif
Module parse failed: <PROJECT_PATH>/node_modules/primeui/images/loading.gif Unexpected character '' (1:7)
You may need an appropriate loader to handle this file type.
(Source code omitted for this binary file)
 @ <CLI_CLONE_PATH>/angular-cli/~/css-loader!<CLI_CLONE_PATH>/angular-cli/~/postcss-loader!./~/primeui/primeui-ng-all.min.css 6:32505-32536
 @ ./~/primeui/primeui-ng-all.min.css
 @ multi styles

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