one file in 'commonSource'
 Format:   SLEEP <integer>
     or    SLEEP $(<par-name>)
     
     e.g.    SLEEP 10              or  SLEEP $(seconds)


git-svn-id: svn+ssh://svn.cern.ch/reps/lhcbonline/smixx/trunk@4491 53ecefc3-a64d-0410-9bdf-b8581fa3287e