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/Spells/Spellweaving/SummonFiend.cs

@@ -1,5 +1,6 @@
 using System;
 using Server.Mobiles;
+using Server.Engines.MLQuests;
 
 namespace Server.Spells.Spellweaving
 {
@@ -21,5 +22,24 @@ namespace Server.Spells.Spellweaving
 		}
 
 		public override int Sound { get { return 0x216; } }
+
+		public override bool CheckSequence()
+		{
+			Mobile caster = Caster;
+
+			// This is done after casting completes
+			if ( caster is PlayerMobile )
+			{
+				MLQuestContext context = MLQuestSystem.GetContext( (PlayerMobile)caster );
+
+				if ( context == null || !context.SummonFiend )
+				{
+					caster.SendLocalizedMessage( 1074564 ); // You haven't demonstrated mastery to summon a fiend.
+					return false;
+				}
+			}
+
+			return base.CheckSequence();
+		}
 	}
-}
+}