gaspi_run: fix: do not copy in background
gaspi_run: make construction of command easier to read
gaspi_run: do not construct intermediate BASEDIR
gaspi_run: fix: delete temp file when mfile is empty
gaspi_run: simplify construction of TMP_MFILE
gaspi_run: make next cmd contruction easier to read
gaspi_run: fix: submit full path to MFILE to worker
gaspi_run: fix: actually wait instead of sleeping for a magic duration
gaspi_run: delete superfluous semicolon
gaspi_run: fix: set PRGNAME before (maybe) usage in kill_procs
gaspi_run: make paths absolute in option parser already
gaspi_run: use hostname and not /bin/hostname
gaspi_run: simplify reachablility check
gaspi_run: instead of != "" and == "" use -n and -z
gaspi_run: use print_error_exit in case of empty machine file
gaspi_run: delete superfluous comment
gaspi_run: do not use gawk after wc but pipe into wc directly
gaspi_run: inline definition of hlist
gaspi_run: make definition of t more local
gaspi_run: delete unused variable