Re-namespacing a bit to clear out some fairly old stuff from the top level

oldstuff/practicing-processing/bin/prochome-check

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+if [ -z "$PROCESSING_HOME" ]; then
+    cat >&2 <<EOM
+----------------------------------------------
+  ERROR: You must define "\$PROCESSING_HOME"
+----------------------------------------------
+EOM
+    exit 1
+else
+    echo "Looks like PROCESSING_HOME is set to \"$PROCESSING_HOME\"."
+    exit 0
+fi