[BUGFIX beta] Better error for content set on object
[DOC beta] Update filterBy docs to show that the value can be any type
Remove old reference to RootResponder
[DOCS beta] Mention passing identifiers to `transitionTo`
Merge pull request #4403 from chancancode/fix_routing_docs

[DOCS beta] Mention passing identifiers to `transitionTo`
[BUGFIX beta] Handle ES6 transpiler errors.
Merge pull request #4410 from rjackson/handle-compiler-errors

[BUGFIX beta] Handle ES6 transpiler errors.
[FEATURE ember-routing-auto-location] Prepend location.origin to location.replace attempts
Merge pull request #4411 from jayphelps/auto-location-security

[FEATURE ember-routing-auto-location] Prepend location.origin to location.replace attempts
[DOC beta] Fix link to `Ember.ControllerMixin#replaceRoute`
Merge pull request #4415 from tricknotes/fix-link-in-doc

[DOC beta] Fix link to `Ember.ControllerMixin#replaceRoute`
[DOC beta] typo in docs
Merge pull request #4416 from lholmquist/typo

typo in docs
Merge pull request #4096 from knownasilya/arraycontroller-not-array

[BUGFIX beta] Better error for object set on ArrayProxy
Merge pull request #4397 from Kerrick/update-docs

Update filterBy docs to show that the value can be any type
Update CHANGELOG for 1.5.0-beta.2.
[FEATURE ember-routing-add-model-option]

Adds `model` option for `route#render`

Feature flagged
Merge pull request #4293 from selva-G/add_model_option_route_render

[FEATURE ember-routing-add-model-option]
[BUGFIX beta] The `each` helper checks that the metamorph tags have the same parent.

In some cases, the browser may add or fix tags, which change the
parentage of metamorph tags (This problem happens frequently when the
developer does not include the TBODY tag inside a table for example).
This change prevents the framework to update or clean the underlying DOM
elements.

This helps to detect the issue described in #4273.

Adds `Ember.runInDebug` to call a function in debug mode only