Update outdated PaaS Providers

AppFog was acquired by Lumen
IBM Cloud has updated their docs
Jelastic was acquired by Virtuozzo
Nanobox was replaced by DigitalOcean App Platform
Pivotal Web Services has new link

_posts/16-05-01-PHP-PaaS-Providers.md

@@ -6,19 +6,19 @@ anchor:  php_paas_providers
 
 ## PHP PaaS Providers {#php_paas_providers_title}
 
-* [AppFog](https://www.ctl.io/appfog/)
 * [Amezmo](https://www.amezmo.com)
 * [AWS Elastic Beanstalk](https://aws.amazon.com/elasticbeanstalk/)
 * [Cloudways](https://www.cloudways.com/)
-* [Divio](https://www.divio.com/php/)
+* [DigitalOcean App Platform](https://www.digitalocean.com/products/app-platform)
+* [Divio](https://www.divio.com/)
 * [Engine Yard Cloud](https://www.engineyard.com/)
 * [fortrabbit](https://www.fortrabbit.com/)
 * [Google App Engine](https://cloud.google.com/appengine/docs/php/)
 * [Heroku](https://devcenter.heroku.com/categories/php-support)
-* [IBM Cloud](https://console.bluemix.net/docs/runtimes/php/getting-started.html#getting_started)
-* [Jelastic](https://jelastic.com/)
+* [IBM Cloud](https://cloud.ibm.com/docs/openwhisk?topic=openwhisk-prep#prep_php)
+* [Lumen](https://www.lumen.com/)
 * [Microsoft Azure](https://azure.microsoft.com/)
-* [Nanobox](https://nanobox.io/)
-* [Pivotal Web Services](https://run.pivotal.io/)
+* [Pivotal Web Services](https://network.pivotal.io/)
 * [Platform.sh](https://platform.sh/)
 * [Red Hat OpenShift](https://www.openshift.com/)
+* [Virtuozzo](https://www.virtuozzo.com/application-platform-partners/)