* Revise system specs for viewing a comment
* Add system specs for viewing comment date
* Add conditional to SetTimeZone middleware
* Revise comment_date partial
* Refactor viewing a comment system specs
* Add more system specs for viewing a comment
* Fix format of comment date with short year
* Fix edited comment date
* Fix comment date when posting new comments
* Add #purchase to Credit
* Assigns spent credits to the listing
* Add Credits::Ledger and use it
* Localize ledger datetimes
* Add organization to the ledger
* Add tests for ledger
* Remove unused class
* Fix scope error
* Compare UTC times
* Fix broken specs
* Wrap listing create in a transaction
* Wrap listings bump into a transaction
* Avoid microseconds issue with datetimes in tests
* Use .detect instead of .select.first
* Fix spec description
* 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