The great MCPQ Merge offensive

Fulfilled the lovely pull request #427 from @dragoso, which added in backing code content to HeavenMS.
Implemented structural changes for the Marriage wishlist, in order to receive, maintain and distribute gifts to spouses.
Added untradeable check on wishlist gift handler.
Adjusted CPQ drops to actually load from DB rathe than hard-coded.
Fixed CPQ "random disease to player/party" functionality not applying properly.
Adjusted how CPQ maps are generated. It directly loads a new area from WZ (this process should at least removes the player's spawned mobs) rather than reset the cache at every MCPQ creation.

src/scripting/event/EventManager.java

@@ -42,6 +42,7 @@ import net.server.guild.MapleGuild;
 import net.server.world.MapleParty;
 import net.server.world.MaplePartyCharacter;
 import scripting.event.worker.EventScriptScheduler;
+import server.MapleMarriage;
 import server.expeditions.MapleExpedition;
 import server.maps.MapleMap;
 import server.life.MapleMonster;
@@ -279,6 +280,19 @@ public class EventManager {
         }
         return ret;
     }
+    
+    public MapleMarriage newMarriage(String name) throws EventInstanceInProgressException {
+        MapleMarriage ret = new MapleMarriage(this, name);
+        
+        synchronized (instances) {
+            if (instances.containsKey(name)) {
+                throw new EventInstanceInProgressException(name, this.getName());
+            }
+            
+            instances.put(name, ret);
+        }
+        return ret;
+    }
 
     public void disposeInstance(final String name) {
         ess.registerEntry(new Runnable() {