Set hostname and IP address in server settings during install.

install/lib/installer_base.lib.php

@@ -204,7 +204,8 @@ class installer_base {
 		$tpl_ini_array['web']['vhost_conf_enabled_dir'] = $conf['apache']['vhost_conf_enabled_dir'];
 		$tpl_ini_array['jailkit']['jailkit_chroot_app_programs'] = $conf['jailkit']['jailkit_chroot_app_programs'];
 		$tpl_ini_array['fastcgi']['fastcgi_phpini_path'] = $conf['fastcgi']['fastcgi_phpini_path'];
-		
+		$tpl_ini_array['server']['hostname'] = $conf['hostname'];
+		$tpl_ini_array['server']['ip_address'] = @gethostbyname($conf['hostname']);
 		
 		$server_ini_content = array_to_ini($tpl_ini_array);
 		$server_ini_content = mysql_real_escape_string($server_ini_content);