Update CHANGELOG for 1.11.0-beta.4.

Author: rwjblue

CHANGELOG.md

@@ -1,5 +1,14 @@
 # Ember Changelog
 
+### 1.11.0-beta.4 (March 1, 2015)
+
+- [#10528](https://github.com/emberjs/ember.js/pull/10528) [BUGFIX] Ensure custom Router can be passed to Ember.Application.
+- [#10530](https://github.com/emberjs/ember.js/pull/10530) [BUGFIX] Add assertion when calling `this.$()` in a tagless view/component.
+- [#10533](https://github.com/emberjs/ember.js/pull/10533) [BUGFIX] Do not allow manually specifying `application` resource in the `Router.map`.
+- [#10544](https://github.com/emberjs/ember.js/pull/10544) / [#10550](https://github.com/emberjs/ember.js/pull/10550) [BUGFIX] Ensure that `{{input}}` can be updated multiple times, and does not loose cursor position.
+- [#10553](https://github.com/emberjs/ember.js/pull/10553) [BUGFIX] Fix major regression in the non-block form of `{{link-to}}` that caused an application crash after a period of time.
+- [#10554](https://github.com/emberjs/ember.js/pull/10554) [BUGFIX] Remove access to `this` in HTMLBars helpers. To fix any usages of `this` in a helper, you can access the view from `env.data.view` instead.
+
 ### 1.11.0-beta.3 (February 25, 2015)
 
 - [#10475](https://github.com/emberjs/ember.js/pull/10475) [BUGFIX] Ensure wrapped errors are logged properly.