Improved example sender to show how to read multiple destination hosts from properties file.
Improved example sender to show how to read multiple destination hosts from properties file.

ellert/globus-toolkit,ellert/globus-toolkit,globus/globus-toolkit,gridcf/gct,globus/globus-toolkit,ellert/globus-toolkit,gridcf/gct,gridcf/gct,globus/globus-toolkit,ellert/globus-toolkit,gridcf/gct,ellert/globus-toolkit,globus/globus-toolkit,globus/globus-toolkit,globus/globus-toolkit,ellert/globus-toolkit,globus/globus-toolkit,gridcf/gct,globus/globus-toolkit,gridcf/gct,ellert/globus-toolkit,ellert/globus-toolkit