ENH: handle partially attached master/slave faces (issue #608)

- addresses problems if faces are already partly attached
  (eg, on a single vertex or along an edge).

tutorials/mesh/stitchMesh/simple-cube1/Allmesh

@@ -0,0 +1,19 @@
+#!/bin/sh
+cd ${0%/*} || exit 1                        # Run from this directory
+. $WM_PROJECT_DIR/bin/tools/RunFunctions    # Tutorial run functions
+
+runApplication blockMesh
+runApplication topoSet
+
+runApplication subsetMesh final -patch outer -resultTime 0
+
+# Avoid any inconsistencies
+rm -f constant/polyMesh/{cellZones,faceZones,pointZones}
+
+runApplication -s patches topoSet -dict system/topoSetDict.patches
+
+runApplication createPatch -overwrite
+
+# rm -f 0/polyMesh/{cellZones,faceZones,pointZones}
+
+# -----------------------------------------------------------------------------