ENH: hexRef8: cleanup

applications/test/hexRef8/README.txt

+Test application for volField and surfaceField mapping with
+refinement/unrefinement
+
+Run
+
+    block/Allrun
+
+to compile and map a few fields. Note that hexRef8 cannot be
+run in inflation mode - there is the problem of getting
+a set of faces to sweep that is consistent for a cell and
+all its neighbours.

applications/test/hexRef8/block/Allrun

@@ -8,7 +8,7 @@ cd ${0%/*} || exit 1    # run from this directory
 application=Test-hexRef8
 
 # Compile
-wmake ..
+runApplication wmake ..
 
 runApplication blockMesh