Icarus Class: Host
Host information to describe remote hosts which are to be used for launching applications through a batch queue management system. Used by 'QueueConfig' construct's remoteHosts attribute. Note that there is no need to describe hosts if they share the same file system as SRS server.
name Attribute may stay unnamed in attribute list. 
  Name of the host as returned by the 'hostname' command.
execDir  
  Name of the directory for application execution if the host is using a different file system than of the SRS server host file system.
applBinDir  
  Name of the application bin directory for the host