Add sop IsPhysical and IsPhantom to be used gradually in core in place of asking physics engines all the time. Some engines delays may make them give wrong answers.

OpenSim/Region/Framework/Scenes/SceneObjectPart.cs

@@ -611,7 +611,10 @@ namespace OpenSim.Region.Framework.Scenes
 
         public bool IsSelected
         {
-            get { return m_isSelected; }
+            get
+            {
+                return m_isSelected;
+            }
             set
             {
                 m_isSelected = value;
@@ -620,6 +623,21 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        public bool IsPhysical
+        {
+            get
+            {
+                return ((Flags & PrimFlags.Physics) != 0);
+            }
+        }
+
+        public bool IsPhantom
+        {
+            get
+            {
+                return ((Flags & PrimFlags.Phantom) != 0);
+            }
+        }
                     
         public Dictionary<int, string> CollisionFilter
         {