* Add /stats endpoint for articles, opened only to Pro users
* Add analytics to article stats page
* Add stats button to the article page and test stats page
* Add policy for article manage action
This commit adds a policy for the articles#manage method. This will
prevent the error that is stopping article owners from managing their
articles.
* Hide manage button if article isnt published
* account for no current_user
* Move button logic to javascript
* Set up basic /manage route
* Add basic article manage page
* Add tips and finalize permissions for /manage
* Add final test and add manage button to article show
* Update failing specs
* add myself to the core contributors
* add comment template
* merge upstream
* make sure the template re-appears for top level comments after submission
* make interface admin only
* Adjust comment template form
* Fix merge conflicts
* Remove unnecessary comment template from json
* Add alt tag
`alt` tag is blank at @Zhao-Andy's request
* Added alt tag
`alt` tag is blank at @Zhao-Andy's request
* Added alt tag
Added `alt` tag for a11y compliance
* Add Algolia to search and add Only My Posts filter
* Actually fix Algolia index possible issue
* Fix search issue
* Make minor adjustments to sponsorship sidebar
* Make submission rules headsup html allowed and remove devise trackable
* Remove devise_trackable from application_controller
* Adjust login CTA for /new
* Adjust string in test to reflect changes
* Quick fix for internal navigatioon draft caching issue
* Add ID to internal/articles
* Fix auth with Twitter in two places
* Added comments to algolia and modified design
* Update sidebar styles and make other small adjustments
* Clean up tag styling and other small improvements
* Finalize design adjustments
* Add indexing condition for comments
* Fix Algolia typo
* Fix Algolia indexing on comment
