Core: Publish security advisor for CVE-2016-1000027.

Core: Fixed the validation of the data input when creating the platform admin account.

Admin Site Management: Fixed an issue where the platform admin could not be added as a moderator or admin of a site.

Admin Site Management: Only the site name is now required to confirm the operation when disabling, deleting, or transferring ownership of a site.

Profile Page: Fixed an error that appeared when accessing the profile page of a deleted user account.

License: Fixed an issue where on-screen and email subscription notifications were provided even if a user had no sites, or they were disabled or deleted.