Referral System by Siropu 1.1.4

Error with admin option "Apply referral link to social media share icon".
Missing admin permission for managing add-on (for non super admins).
Issue when using "Encrypt user ID" showing the real user id in the cookie.
False positive duplicate account notification alerts.

Fixed an issue with referral count and unconfirmed users.

Fixed an issue where the new referral alert displays the wrong username.

Added user criteria "User has registered using a referral link".