fix(progress): progress bar now works with ng2

demo/components/progressbar/progressbar-demo.ts

@@ -8,13 +8,7 @@ import {PROGRESSBAR_DIRECTIVES} from '../../../ng2-bootstrap';
 
 // webpack html imports
 let templates:any = {
-  // fix: in beta.1 progress bar is broken https://github.com/angular/angular/issues/6382
-  // check and try
-  // [Ng2BootstrapTheme.BS3]: require('./progressbar-demo.html'),
-  [Ng2BootstrapTheme.BS3]: `
-  <h3>In Angular2 beta.1 progressbar will not work because of known <a href="https://github.com/angular/angular/issues/6382">issue #6382</a></h3>
-  <h4>please check version for <a href="http://valor-software.github.io/ng2-bootstrap/index-bs4.html#progressbar">bootstrap 4</a>, it is still working</h4>
-  `,
+  [Ng2BootstrapTheme.BS3]: require('./progressbar-demo.html'),
   [Ng2BootstrapTheme.BS4]: require('./progressbar-demo-bs4.html')
 };