update changelog

CHANGELOG.md

@@ -15,8 +15,12 @@ Contributions and pull requests are always welcome. Contributors may often be fo
 - renamed the `paper-radio-group` `paper-radio` to just `radio` -- usage would now be `group.radio` as opposed to `group.paper-radio`.
 - Flex and layout attributes are replaced by classes (see [the documentation](http://miguelcobain.github.io/ember-paper/release-1/#/layout/introduction)). `flex=true` on Ember Paper components has also been removed and replaced by classes.
 
-### master
+### 1.0.0-alpha.15 (January 26, 2017)
 - [#572](https://github.com/miguelcobain/ember-paper/pull/572) updated paper-slider. Smoother sliding and you can slide without having the cursor above the slider, like normal sliding.
+- [#626](https://github.com/miguelcobain/ember-paper/pull/626) Add autocorrect and autocapitalize to paper-input passThru attributes
+- [#629](https://github.com/miguelcobain/ember-paper/pull/629) ember-paper is now able to retrieve the parent application while being used from another addon
+- [1465662](https://github.com/miguelcobain/ember-paper/commit/14656624caf016270f90a8fd2abc4d445cb66088) update eps and ebd
+- [#594](https://github.com/miguelcobain/ember-paper/pull/594) ember-paper is now compatible with ember-engines. As a side effect, we're no longer importing `hammerjs`, `matchmedia-polyfill` and `propagating-hammerjs` from bower. Feel free to delete them from your app's bower.json. ember-paper will keep track of its dependencies now.
 
 ### 1.0.0-alpha.14 (January 6, 2017)
 - [9c4b874](https://github.com/miguelcobain/ember-paper/commit/9c4b8741281c302b601cf7f428b94ae8af84aeb6) paper-item now proxies radio buttons