[FEATURE ember-testing-pause-test] Enable by default.
Deprecate before observers

Also remove usages of public `addBeforeObserver` in ember internals.
Fix jQuery dependency in component.json

The jQuery dependency in component.json is pointing at the wrong repository. This causes component and duo to fail when they try to install `components/ember`. Changing the dependency from `component/jquery` to `components/jquery` fixes the problem.
Added asserts for reserved route/resource names
Fix old comments
[BUGFIX beta] Remove stripped statement nesting.

Defeatureify cannot handle statement nesting.
Make the action helper examples syntax hilight correctly.
Merge pull request #9502 from rwjblue/fix-defeatureify-nesting

[BUGFIX beta] Remove stripped statement nesting.
Merge pull request #9503 from bmac/action-docs-syntax-hilight

Make the action helper examples syntax hilight correctly.
Merge pull request #9416 from rwjblue/enable-features

[FEATURE ember-testing-pause-test] Enable by default.
[FEATURE ember-routing-fire-activate-deactivate-events] Enable by default.
Serve documentation live from /docs endpont
Merge pull request #9505 from cibernox/docs-live-generation

Serve documentation live from /docs endpont (optional)
Merge pull request #9504 from rwjblue/enable-route-actions

[FEATURE ember-routing-fire-activate-deactivate-events] Enable by default.
Make `ENABLE_DOCS ember s` work as expected
Code cleanup: make easier to debug.

* Split variable assignment.
* Always use multi-line blocks.
* Always use block form of `if`.
[DOC release] Cleanup application API code examples

Quotes, vars, spaces
[BUGFIX beta] Assert existence of `name` property for registered initializers
Merge pull request #9513 from knownasilya/patch-2

[DOC release] Cleanup application api code examples
Merge pull request #9514 from vinilios/initializer-assertion

[BUGFIX beta] Assert name property exists when registering an application initializer