title: Angular 2.2 and ng-bootstrap Cannot read property 'Observable' of undefined
body: <p>I've reported this issue on <a href="https://github.com/ng-bootstrap/ng-bootstrap/issues/1104" rel="nofollow noreferrer">Github</a>, but asking it here won't hurt either</p>
  
  <p>Bug description:</p>
  
  <p>I added in ng-bootstrap and started getting this error.</p>
  
  <pre><code>VM325:9 Uncaught TypeError: Cannot read property 'Observable' of undefined(…)webpackUniversalModuleDefinition @ VM325:9(anonymous function) @ VM325:10module.exports @ scripts.bundle.js:28476 @ scripts.bundle.js:6__webpack_require__ @ inline.bundle.js:53826 @ scripts.bundle.js:37__webpack_require__ @ inline.bundle.js:53webpackJsonpCallback @ inline.bundle.js:24(anonymous function) @ scripts.bundle.js:1 main.bundle.js:420
  </code></pre>
  
  <p>Link to minimally-working plunker that reproduces the issue:</p>
  
  <p>Please see <a href="https://github.com/aligneddev/JQueryToAurelia/tree/angular" rel="nofollow noreferrer">my GitHub branch</a>.</p>
  
  <p>This commit does not have this error 4a049710ba900f5aef8d11141491607e45e49cc2.
  This commit <a href="https://github.com/aligneddev/JQueryToAurelia/commit/fcf8260c8b560f665fc4a34b49dd47f1700c3945" rel="nofollow noreferrer">fcf8260c8b560f665fc4a34b49dd47f1700c3945</a> 'bring in bootstrap - couldn't get js include without observable of undefined error' introduced the error.</p>
  
  <p>Version of Angular, ng-bootstrap, and Bootstrap:</p>
  
  <p>Angular 2.2 - CLI</p>
  
  <p>ng-bootstrap: "@ng-bootstrap/ng-bootstrap": "^1.0.0-alpha.14",</p>