Update install.php to support creating and extending LE SSL certs on ISPConfig non-webservers

Author: ahrasis

install/install.php

@@ -597,6 +597,13 @@
 	$inst->install_ispconfig_interface = false;
 }
 
+// Create SSL certs for non-webserver(s)?
+if(($conf['apache']['installed'] && $conf['apache']['installed']) == false) {
+    if(strtolower($inst->simple_query('Do you want to create SSL certs for your server?', array('y', 'n'), 'y')) == 'y') {
+        $inst->make_ispconfig_ssl_cert();
+    }
+}
+
 $inst->install_ispconfig();
 
 //* Configure DBServer