* Prepare factories and associations for Users::DeleteActivity specs
* Altered user associations, delete the needed associations in Users::DeleteActivity
* Moved and refined user deletion spec
* Removed useless commented user associations
* Refactored BackupData factory
* Refactored ProfilePin factory
* Refactored Reaction factory
* Fixed specs: Keep default _type in factories or specify it in tests
* Ok, notes shouldn't be deleted on user deletion
* Fixed creating reactable for specs
* Specify commentable/commentable_type explicitly when creating data for tests
* Fixed typo in the comments spec
* Removed unnneeded space
* Added aggregate_failures for testing user associations deletion
* Keep feedback_messages while deleting user activities
* Initial work for streaming app shell way of using serviceworkers
* Close in on serviceworker adjustment finalization
* Add docs and loading indicator
* Remove useless code
* Don't run on API
* Update app/javascript/contentDisplayPolicy/hideBlockedContent.js
* Fix small details
* Don't run serviceworker.js code in test env
* Fix JS in serviceworker
* Move private keyword to proper place in async controller
* Change shell_version to HEROKU_SLUG_COMMIT
* Update caching config
* Add test for async_info/shell_version
* Add article decorator published_timestamp
* Use time HTML5 element and refactor date in partial
* Add published_timestamp to Article
Adding `published_timestamp` to the homepage we can then use JS to render the full timestamp localized for the user.
We've also added the timestamp to the index and the API
* Display article published timestamp on hover
* Use time also in the article show page
* Add timestamp to bottom articles as well
* Remove published_timestamp from index because it is not used
* Fix broken specs
* Add more article dates specs
* Refactor date initializers
