b: fixed bug when checking SLURM version
 * o: rafactoring chhanging the way of checking batch version
e: updated vishnu config sample
o: added logging to stderr when starting SeD
fixed typo
e: used a more convenient way of running system command in FileTransferServer
avoid duplicated message when version checking failed
fixed formating
p: fixed typos
fixed ldopen problem in TMS Slave
b: POSIX backend has no version attached