add support for mucoll cluster

Author: kpedro88

call_host.sh

@@ -12,7 +12,7 @@ fi
 if [ -z "$CALL_HOST_DIR" ]; then
 	if [[ "$(uname -a)" == *cms*.fnal.gov* ]]; then
 		export CALL_HOST_DIR=~/nobackup/pipes
-	elif [[ "$(uname -a)" == *.uscms.org* ]]; then
+	elif [[ "$(uname -a)" == *.uscms.org* ]] || [[ "$(uname -a)" == *.osg-htc.org* ]] ; then
 		export CALL_HOST_DIR=/scratch/$(whoami)/pipes
 	else
 		echo "Warning: no default CALL_HOST_DIR for $(uname -a), please set your own manually. disabling"