message: chore(changelog): v1.1.17
diff: +## Migration notes v1.1.16 and less to v1.1.17
  +1. `ComponentHelper` and `PositioningService` removed, please remove any mentions of this two
  +2. Package structure was simplified, (removed `components` folder) so you need to change imports:
  + - `ng2-bootstrap\ng2-bootstrap` to `ng2-bootstrap`
  + - `ng2-bootstrap\components\alert` to `ng2-bootstrap\alert`
  + - `ng2-bootstrap\components\buttons` to `ng2-bootstrap\buttons`
  +
  + ... etc.
  +3. All modules now have `.forRoot()` static method, which provides required providers (configuration, positioning and component loader services, etc...)
  + - in `AppModule` you should use `imports: [AlertModule.forRoot()]` in child modules `imports: [AlertModule]`
  +
  +4. Please read more in [documentation](http://valor-software.com/ng2-bootstrap/)
  +
  <a name="1.1.17"></a>
  ## [1.1.16](https://github.com/valor-software/ng2-bootstrap/compare/v1.1.16-11...v1.1.16) (2017-01-11)
  * **docs:** make urls easy to share ([47ab93b](https://github.com/valor-software/ng2-bootstrap/commit/47ab93b))
  * **sortable:** added new sortable component ([#1295](https://github.com/valor-software/ng2-bootstrap/issues/1295)) ([fab3df5](https://github.com/valor-software/ng2-bootstrap/commit/fab3df5))
  -
  -
  -
  -
  <a name="1.1.16-11"></a>
  ## [1.1.16-11](https://github.com/valor-software/ng2-bootstrap/compare/v1.1.16-7...v1.1.16-11) (2016-12-30)
  