[BUGFIX beta] Remove unreachable return in link-to.
Ensure that ember package is in prod builds.

Fixes issue with Ember Data when using ember.prod.js.
Merge pull request #4511 from rjackson/ensure-ember-package-is-in-prod-builds

Ensure that ember package is in prod builds.
Merge pull request #4498 from rjackson/remove-unreachable-return-in-link-to

[BUGFIX beta] Remove unreachable return in link-to.
Fix String.prototype.camelize.
Merge pull request #4513 from rjackson/fix-camelize

Fix String.prototype.camelize.
Require ember-testing if present.

This ensures that the globals are setup properly if `ember-testing` is
present in the build.
Merge pull request #4515 from rjackson/enable-ember-testing-if-present

Require ember-testing if present.
fixed run.bind to keep the arguments from the callback.
[DOC beta] Fix `method` tag for `makeViewHelper` doc
The API docs were incorrect (and private) for `helper` because
it was being overridden here.
Now both `helper` and `makeViewHelper` will appear correctly.
Merge pull request #4525 from bradfol/doc-handlebars-helper

[DOC beta] Fix `method` tag for `makeViewHelper` doc
[FEATURE ember-metal-computed-empty-array] Enable by default.
[FEATURE ember-runtime-test-friendly-promises] Enable by default.
[BUGFIX] Add `which` attribute to event triggered by test helper
Do not override local scope with imported Ember.run in Ember.Test.
Merge pull request #4530 from rjackson/fix-issue-with-es6ing-ember-testing

Do not override local scope with imported Ember.run in Ember.Test.
[DOC] minor doc fix
Merge pull request #4531 from twokul/minor-doc-fix

[DOC] minor doc fix
fix run.bind tests
fixed variable name