Have ODECharacter and ODEPrim both use PhysicsActor.Name instead of maintaining their own properties

OpenSim/Region/Physics/Manager/PhysicsActor.cs

@@ -160,6 +160,15 @@ namespace OpenSim.Region.Physics.Manager
 
         public abstract bool Selected { set; }
 
+        /// <summary>
+        /// Name of this actor.
+        /// </summary>
+        /// <remarks>
+        /// XXX: Bizarrely, this cannot be "Terrain" or "Water" right now unless it really is simulating terrain or
+        /// water.  This is not a problem due to the formatting of names given by prims and avatars.
+        /// </remarks>
+        public string Name { get; protected set; }
+
         /// <summary>
         /// This is being used by ODE joint code.
         /// </summary>