Oh hey, all of those compile fixes

SQL/tgstation_schema.sql

@@ -253,6 +253,8 @@ CREATE TABLE `messages` (
   `server_port` smallint(5) unsigned NOT NULL,
   `round_id` int(11) unsigned NOT NULL,
   `secret` tinyint(1) unsigned NOT NULL,
+  `expire_timestamp` datetime DEFAULT NULL,
+  `severity` enum('high','medium','minor','none') DEFAULT NULL,
   `lasteditor` varchar(32) DEFAULT NULL,
   `edits` text,
   `deleted` tinyint(1) unsigned NOT NULL DEFAULT '0',
@@ -309,6 +311,7 @@ DROP TABLE IF EXISTS `player`;
 /*!40101 SET character_set_client = utf8 */;
 CREATE TABLE `player` (
   `ckey` varchar(32) NOT NULL,
+  `byond_key` varchar(32) DEFAULT NULL,
   `firstseen` datetime NOT NULL,
   `firstseen_round_id` int(11) unsigned NOT NULL,
   `lastseen` datetime NOT NULL,