Dungeon Crawl custom code merge

Added numerous modding hooks.
Added rules:
	Character:KeepLevelOverMax - Don't delevel a character if they are found to be over max level rule.
	Spells:UseCHAScribeHack - Optionally omit spells with CHA in effect12 when using scribespells and traindiscs
	Combat:MonkACBonusWeight - Adjust the weight threshold for monk AC bonus
	Combat:ClientStunLevel - Adjust the level clients kicks and bashes start to roll for stuns
	Combat;QuiverWRHasteDiv - Adjust the divisor applied to weight reduction for haste calcs
	Combat:UseArcheryBonusRoll - Make archery stationary bonus a roll
	Combat:ArcheryBonusChance - Archery stationary bonus chance

Added account flags and associated perl wrappers
Added EVENT_ITEM_TICK for interactive items
Added EVENT_DUEL_WIN and EVENT_DUEL_LOSE, which exports $enemyname and $enemyid
Added timer and interval to console worldshutdown command
Added EQW interface for worldshutdown and server-wide messages

world/EQW.h

@@ -78,6 +78,8 @@ public:
 	map<string,string> GetBugDetails(const char *id);
     void ResolveBug(const char *id);
 	
+	void SendMessage(uint32 type, const char *msg);
+	void WorldShutDown(uint32 time, uint32 interval);
 //END PERL EXPORT
 
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