Horntail PQ & Exped + Equip levelup fix

Added Horntail PQ and boss fight. Fixed short integer overflow of
equipment stats on client messing up player stats.

scripts/event/ScargaBattle.js

@@ -68,7 +68,7 @@ function afterSetup(eim) {}
 function setup(channel) {
     var eim = em.newInstance("Scarga" + channel);
     eim.setProperty("canJoin", 1);
-    eim.setProperty("defeatedBoss", 1);
+    eim.setProperty("defeatedBoss", 0);
 
     var level = 1;
     eim.getInstanceMap(551030200).resetPQ(level);