* Update some test descriptions in notifications_spec
The descriptions of these tests didn't actually match the test's assertions!
* Add welcome_notifications column to users table
Also ensures that welcome_notifications cannot be set to `nil`.
* Show an opt-out message for Welcome broadcast notifications
* Add opt-out link to notifications + welcome notification box to settings
* Allow welcome notification subscription to be updated
* Add tests for unsubscribed to welcome notification users
Also refactor generator specs a bit.
* Fix up paths, copy, tests
Use rails path helpers instead of hardcoding paths. Improve copy in a few locations.
* No longer create identity in User factory
* Create view specs for users/edit.html.erb
* Update broken specs
* Make identities transient an explicit array
* 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
* Ask user to add email when deleting [WIP]
* Ask to provide an email before requesting account deletion
* Additional checks to make sure that user won't be deleted w/o an email
* Revert changes on confirm destroy view
* Move from env variables to SiteConfig
Related to #5384
This PR only deals with the first remaining part outlined in the issue, starting to use existing SiteConfig keys instead of the env variables.
* Restore Envfile to original version for now
* Action to request account deletion by email
* Confirmation page for user destroy
* Remove some of the old destroy user code
* System tests for user destroy
* Moved user destroy tokens to redis
* Change tests according to the new user destroy token storage (in redis)
* Added info about the link to user delete confirmation email
* Remove blank like from schema.rb
* Delete user destroy token on user delete
* Update confirm user destroy js
* Start with self deleting account
* Moved deleting user content and activity out of moderator hierarchy
* Added tests for the users delete services
* Tests for Users::DeleteComments
* User self-deletion (start)
* Some tests for user self-delete
* Specs for user self-deletion
* Test flash settings on users delete
* Added basic specs for the Users::DeleteJob
* Send notification when a user was destroyed
* Rename Users::DeleteJob to SelfDelete
* Change texts about self-deletion
* Fix users delete job spec
* Rescue and log exceptions while self-deleting user
* Added visible flash notices after deleting user
* Remove unneeded css for flash notice
* Fix link to a ghost account
* Remove redundant css
* Added github and twitter oauth apps links
