add eng unimelb setup script from last year

src/eng_unimelb_setup

+#!/bin/sh
+
+# setup environment variables for dimefox.eng.unimelb.edu.au
+#  and related servers
+
+LIBDIR="/silo-q04/users/t/tobiasm1/local/lib64"
+
+RHEL=$(cat /etc/issue | grep -F "Red Hat Enterprise Linux Server release 6.10 (Santiago)")
+
+if [ ! -z "${RHEL}" ]
+then
+    export LD_LIBRARY_PATH=$LIBDIR
+    export LDFLAGS=-L$LIBDIR
+fi
+    
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