Add support for pe_prolog and pe_epilog files

Send all command line args to the files to be run
Add script to remove empty *.pe* and *.po* files after running pe jobs
Scripts expect this 11 commandline arguments: $pe_hostfile $host $job_owner $job_id $job_name $pe $pe_slots $queue $stdout_path $stderr_path $merge_stderr

bin/pro-epilog_wrapper.sh

@@ -15,6 +15,6 @@ done
 FILESSORTED="$(echo ${FILES} | sort)"
 
 for FILE in ${FILESSORTED} ; do
-	${FILE} || exit $?
+	${FILE} $@ || exit $?
 done
 exit 0

pe_epilog.d/99-rm_empty_pe_logs.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+## Delete the STDOUT and STDERR files (.o and .e) if they are empty
+##  ( we do not want to delete non-empty files, they may contain useful
+##    troubleshooting or debug information ... )
+##
+
+## input args:
+#	1: $pe_hostfile
+#	2: $host
+#	3: $job_owner
+#	4: $job_id
+#	5: $job_name
+#	6: $pe
+#	7: $pe_slots
+#	8: $queue
+#	9: $stdout_path
+#	10: $stderr_path
+#	11: $merge_stderr
+
+stdout_path=${9}
+stderr_path=${10}
+
+[ -r ${stdout_path} -a -f ${stdout_path} ] && [ ! -s ${stdout_path} ] && rm -f ${stdout_path}
+[ -r ${stderr_path} -a -f ${stderr_path} ] && [ ! -s ${stderr_path} ] && rm -f ${stderr_path}
+
+exit 0
+