moving function objects to functionObjects sub-folder

src/postProcessing/functionObjects/Allwmake

+#!/bin/sh
+cd ${0%/*} || exit 1    # run from this directory
+set -x
+
+wmake libso fieldAverage
+wmake libso forces
+wmake libso minMaxFields
+wmake libso systemCall
+
+# ----------------------------------------------------------------- end-of-file