added check_scratch_dir.nhc

roles/nhc/files/scripts/check_scratch_dir.nhc

+#!/bin/bash
+function check_scratch_dir() {
+
+SCRATCH="/scratch"
+
+if [[ ! -d $SCRATCH ]]
+then
+        echo "Scratch Directory Does't Exists"
+        die 1 " $FUNCNAME ERROR Scratch Directory Does't Exists"
+fi
+
+return 0
+
+}