ML quest system; first SVN release.

Secondary changes:
- Region fixes, mainly for New Haven.
- Recipe system changes.
- Enabled ML craftables.
- Dyeing/cutting restrictions for quest items.
- Moved IsInvulnerable from BaseVendor to BaseCreature.
- Moved RandomBrightHue to Utility.
- Items no longer decay when attached to a spawner.
- Quest item hue is now faked through packets, instead of overriding Hue.
- Re-enabled item drag effects for SA clients.
- Fixed AssignRandomFacialHair bug in Utility.
- Added random hue comments to Utility.

Scripts/Mobiles/Vendors/SBInfo/SBInfo.cs

@@ -6,11 +6,13 @@ namespace Server.Mobiles
 {
 	public abstract class SBInfo
 	{
+		public static readonly List<SBInfo> Empty = new List<SBInfo>();
+
 		public SBInfo()
 		{
 		}
 
 		public abstract IShopSellInfo SellInfo { get; }
-        public abstract List<GenericBuyInfo> BuyInfo { get; }
+		public abstract List<GenericBuyInfo> BuyInfo { get; }
 	}
-}
+}

Scripts/Mobiles/Vendors/SBInfo/SBNinja.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using Server.Items;
+
+namespace Server.Mobiles
+{
+	public class SBNinja : SBInfo
+	{
+		private List<GenericBuyInfo> m_BuyInfo = new InternalBuyInfo();
+		private IShopSellInfo m_SellInfo = new InternalSellInfo();
+
+		public SBNinja()
+		{
+		}
+
+		public override IShopSellInfo SellInfo { get { return m_SellInfo; } }
+		public override List<GenericBuyInfo> BuyInfo { get { return m_BuyInfo; } }
+
+		public class InternalBuyInfo : List<GenericBuyInfo>
+		{
+			public InternalBuyInfo()
+			{
+				Add( new GenericBuyInfo( typeof( BookOfNinjitsu ), 335, 20, 0x23A0, 0 ) );
+			}
+		}
+
+		public class InternalSellInfo : GenericSellInfo
+		{
+			public InternalSellInfo()
+			{
+			}
+		}
+	}
+}

Scripts/Mobiles/Vendors/SBInfo/SBSamurai.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using Server.Items;
+
+namespace Server.Mobiles
+{
+	public class SBSamurai : SBInfo
+	{
+		private List<GenericBuyInfo> m_BuyInfo = new InternalBuyInfo();
+		private IShopSellInfo m_SellInfo = new InternalSellInfo();
+
+		public SBSamurai()
+		{
+		}
+
+		public override IShopSellInfo SellInfo { get { return m_SellInfo; } }
+		public override List<GenericBuyInfo> BuyInfo { get { return m_BuyInfo; } }
+
+		public class InternalBuyInfo : List<GenericBuyInfo>
+		{
+			public InternalBuyInfo()
+			{
+				Add( new GenericBuyInfo( typeof( BookOfBushido ), 280, 20, 0x238C, 0 ) );
+			}
+		}
+
+		public class InternalSellInfo : GenericSellInfo
+		{
+			public InternalSellInfo()
+			{
+			}
+		}
+	}
+}