Change Ground Spawn respawn timers to match normal spawns (msec to sec). Highly recommended sql included!

utils/sql/git/optional/2017_12_16_GroundSpawn_Respawn_Timer.sql

@@ -0,0 +1,2 @@
+ALTER TABLE `ground_spawns` MODIFY `respawn_timer` int(11) unsigned NOT NULL default 300;
+UPDATE `ground_spawns` SET `respawn_timer` = `respawn_timer` / 1000;