Minor tweak on Exp system + Diet's Cygnus quest line

Changed minimum level required to gain EXP of mob from -5 to -20 the mob level (players below that level sees a red-colored font when displaying higher-leveled mob HPbar). Thanks to DietStory dev team, fixed some quests for KoC.

scripts/map/onUserEnter/910510000.js

@@ -0,0 +1,10 @@
+importPackage(Packages.server.life);
+
+function start(ms){
+	var mobId = 9300285;
+	var player = ms.getPlayer();
+	var map = player.getMap();
+
+	if(ms.isQuestStarted(20730) && ms.getQuestProgress(20730, 9300285) == 0)
+		map.spawnMonsterOnGroundBelow(MapleLifeFactory.getMonster(mobId), new java.awt.Point(680, 258));
+}