ENH: optionally limit systemCall function-object to master only (closes #729)

tutorials/IO/systemCall/Allrun

@@ -0,0 +1,13 @@
+#!/bin/sh
+cd ${0%/*} || exit 1                        # Run from this directory
+. $WM_PROJECT_DIR/bin/tools/RunFunctions    # Tutorial run functions
+
+runApplication blockMesh
+runApplication decomposePar
+
+#- For parallel running: set the initial fields
+restore0Dir -processor
+
+runParallel $(getApplication)
+
+#------------------------------------------------------------------------------