* Add back in extension list title
* Separate task list and obw plugin lists
* Remove mailpoet from basics list
* Bump extensions REST API to v3
* Add changelog entry
* Remove background color from marketing tool list header, increasee padding in plugin list, rearrange list borders.
* Changelog entry for 7642.
* Section heading tweaks: bottom padding, force uppercase.
* Move Marketing task plugin list changes into more specific stylesheet.
* Add checks for actioned task status
* Update completion logic for task
* Add rest route for actioning tasks
* Add action in data store for actioning tasks
* Add test for actioning task
* Only prune isActioned from task data