Add DynamicZone class for expedition instancing

Add DynamicZone sql table schema

Add DynamicZones logging category

Modify CreateExpedition to take DynamicZone and ExpeditionRequest objects

Implement DynamicZone compass, safereturn, and zone-in coordinates.

Implement live-like DynamicZone instance kick timer for removed members

Implement updating multiple client compasses (supports existing quest compass)

fix: Send client compass update after entering zones to clear existing compass

Implement Client::MovePCDynamicZone to invoke DynamicZoneSwitchListWnd
when entering a zone where client has multiple dynamic zones assigned

Implement OP_DzChooseZoneReply handling

Add Lua api methods for expedition's associated dynamic zone

Add #dz list gm command to list current DynamicZone instances from database

world/main.cpp

@@ -431,7 +431,7 @@ int main(int argc, char** argv) {
 	PurgeInstanceTimer.Start(450000);
 
 	LogInfo("Purging expired expeditions");
-	Expedition::PurgeEmptyExpeditions(); //database.PurgeExpiredExpeditions();
+	Expedition::PurgeExpiredExpeditions();
 	Expedition::PurgeExpiredCharacterLockouts();
 
 	LogInfo("Loading char create info");
@@ -604,7 +604,7 @@ int main(int argc, char** argv) {
 		if (PurgeInstanceTimer.Check()) {
 			database.PurgeExpiredInstances();
 			database.PurgeAllDeletedDataBuckets();
-			Expedition::PurgeEmptyExpeditions();
+			Expedition::PurgeExpiredExpeditions();
 			Expedition::PurgeExpiredCharacterLockouts();
 		}