ENH: Avoid constant/polyMesh/blockMeshDict (issue #309)

- relocate to system/blockMeshDict, which avoids it being cleaned out
  accidentally

tutorials/mesh/parallel/cavity/Allclean

@@ -1,12 +1,13 @@
 #!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
 
 # Source tutorial clean functions
 . $WM_PROJECT_DIR/bin/tools/CleanFunctions
 
+cleanCase
+
 # Restore default dictionaries
 cp system/decomposeParDict-2 system/decomposeParDict
 cp system/controlDict-startTime system/controlDict
 
-cleanCase
-rm -f constant/polyMesh/boundary
-rm -f constant/polyMesh/procAddressing
+# -----------------------------------------------------------------------------

tutorials/mesh/parallel/filter/Allclean

@@ -4,9 +4,7 @@ cd ${0%/*} || exit 1    # Run from this directory
 # Source tutorial clean functions
 . $WM_PROJECT_DIR/bin/tools/CleanFunctions
 
-# Remove 0.orig/ copy and post-processing directories
-\rm -rf 0 postProcessing
-
 cleanCase
+rm -rf 0
 
 #------------------------------------------------------------------------------

tutorials/mesh/parallel/filter/Allrun

@@ -29,5 +29,4 @@ runParallel -s parallel $application
 #- Reconstruct all times
 runParallel -s 1 redistributePar -reconstruct
 
-
-# ----------------------------------------------------------------- end-of-file
+# -----------------------------------------------------------------------------

tutorials/mesh/parallel/filter/system/blockMeshDict

@@ -10,7 +10,7 @@ FoamFile
     version     2.0;
     format      ascii;
     class       dictionary;
-    location    "constant/polyMesh";
+    location    "system";
     object      blockMeshDict;
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

tutorials/mesh/refineMesh/refineFieldDirs/system/blockMeshDict

@@ -3,7 +3,7 @@ FoamFile
     version     2.0;
     format      ascii;
     class       dictionary;
-    location    "constant/polyMesh";
+    location    "system";
     object      blockMeshDict;
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

tutorials/mesh/snappyHexMesh/addLayersToFaceZone/Allclean

@@ -1,8 +1,9 @@
 #!/bin/sh
+cd ${0%/*} || exit 1    # Run from this directory
 
 # Source tutorial clean functions
 . $WM_PROJECT_DIR/bin/tools/CleanFunctions
 
-rm -f constant/polyMesh/boundary
-
 cleanCase
+
+#------------------------------------------------------------------------------

tutorials/mesh/snappyHexMesh/gap_detection/Allclean

@@ -1,7 +1,9 @@
 #!/bin/sh
+cd ${0%/*} || exit 1    # Run from this directory
 
 # Source tutorial clean functions
 . $WM_PROJECT_DIR/bin/tools/CleanFunctions
 
-\rm -f constant/polyMesh/boundary > /dev/null 2>&1
 cleanCase
+
+#------------------------------------------------------------------------------