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