Acelle Email Marketing Web Application 4.0.26-p11

* Added: upgrade to Laravel 5.4 (support PHP >=5.6)
* Added: blacklist recorded for failed subscription
* Added: switch to MySQL utf8mb4
* Added: better 404 handling
* Added: re-send confirmation email
* Added: CronJob notification
* Added: support RTL email editor
* Fixed: contacts' status not translated in export
* Fixed: security for template webroot
* Fixed: error with GeoIP tracking
* Fixed: XSS vulnerability
* Fixed: better MySQL UIID
* Fixed: invalid PHP CLI detected
* Fixed: create mail list API
* Fixed: automation performance

* Added: support changing DKIM selector
* Added: choose sending server's default FROM header
* Fixed: embedded form broken
* Fixed: date/time field issue
* Fixed: import cancel issue
* Fixed: export UID and STATUS values
* Fixed: XSS thread with campaign email

* Added: domain verification
* Added: DKIM verification
* Added: SPF verification
* Added: support tracking domain
* Fixed: campaign does not send to all contacts
* Fixed: upload manager fails to check file size