Upgrades spawners to have parameters/properties and optimized timers (#6)

Upgrades spawners to have:
- [X] Parameter support
- [X] Property support
- [X] Optimized timers
- [X] Support for Proximity Spawners
- [X] Probabilities

Scripts/Regions/Spawning/SpawnDefinition.cs

@@ -112,7 +112,7 @@ namespace Server.Regions
 
 		public override ISpawnable Spawn( SpawnEntry entry )
 		{
-			BaseRegion region = entry.Region;
+			Region region = entry.Region;
 			Map map = region.Map;
 
 			Point3D loc = entry.RandomSpawnLocation( this.Height, this.Land, this.Water );
@@ -184,6 +184,7 @@ namespace Server.Regions
 			if ( creature != null )
 			{
 				creature.Home = entry.HomeLocation;
+				creature.HomeMap = map;
 				creature.RangeHome = entry.HomeRange;
 			}
 
@@ -406,4 +407,4 @@ namespace Server.Regions
 			return false;
 		}
 	}
-}
+}

Scripts/Regions/Spawning/SpawnEntry.cs

@@ -46,6 +46,7 @@ namespace Server.Regions
 
 		public int ID{ get{ return m_ID; } }
 		public BaseRegion Region{ get{ return m_Region; } }
+		Region ISpawner.Region{ get{ return m_Region; } }
 		public Point3D HomeLocation{ get{ return m_Home; } }
 		public int HomeRange{ get{ return m_Range; } }
 		public Direction Direction{ get{ return m_Direction; } }

Scripts/Regions/Spawning/SpawnPersistence.cs

@@ -4,6 +4,7 @@ using Server;
 
 namespace Server.Regions
 {
+	[TypeAlias( "Server.Regions.SpawnPersistance" )]
 	public class SpawnPersistence : Item
 	{
 		private static SpawnPersistence m_Instance;
@@ -66,4 +67,4 @@ namespace Server.Regions
 			}
 		}
 	}
-}
+}