added IS_NGINX_SSL.
added IS_NGINX_SSL.

kaltura/platform-install-packages,doubleshot/platform-install-packages,kaltura/platform-install-packages,kaltura/platform-install-packages,kaltura/platform-install-packages,doubleshot/platform-install-packages,kaltura/platform-install-packages,kaltura/platform-install-packages,doubleshot/platform-install-packages,doubleshot/platform-install-packages,doubleshot/platform-install-packages