ENH: overset: do not trigger wall-wall interaction. See #1041.

tutorials/basic/overLaplacianDyMFoam/heatTransfer/0.orig/pointDisplacement

@@ -33,7 +33,7 @@ boundaryField
         uniformValue    table
         (
             (0.0         (0 0 0))
-            (1.0         (0.31 0 0))
+            (1.0         (0.2 0 0))
             (2.0         (0 0 0))
         );
     }