Acelle Email Marketing Web Application 4.0.26-p87

If you are already on an older version of Acelle Mail, you upgrade to the newer version
in the admin dashboard at Admin view > Setting > All Settings > Upgrade Manager

Then you can upload the patch file which is located at `[acellemail source]/upgrade/patch-4.x.x.bin`
to upgrade your application

* Fixed: subscription issue for free plan
* Fixed: auto-detect HTTP scheme (https or http)
* Fixed: plan not visiable in certain cases
* Updated: smaller builder.js file
* Updated: faster loading of builder components
* Updated: drop "use sending server's default FROM email address"

* Changed: support PHP 7.0.0 or higher (PHP 5.6 is no longer supported)
* Changed: now on Laravel 5.5 framework
* Added: new drag & drop email builder
* Added: new automation workflow visual designer
* Added: support auto/recurring billing with Stripe
* Added: improved SaaS workflow