User request by Steven Clarke from Nanohub

Currently, the jobs file created by pegasus-statistics is like this

1. bd1d2f80-dfd3-4f33-8161-09db8ad06911 (blackdiamond)
   #Job Try Site Kickstart Post CondorQTime Resource Runtime
   analyze_j4 1 DiaGrid 60.001 5.0 2035.0 - 61.0
   create_dir_blackdiamond_0_DiaGrid 1 local 0.085 6.0 5.0 - 0.0
   findrange_j2 1 DiaGrid 60.001 5.0 140.0 - 60.0
   findrange_j3 1 DiaGrid 60.001 5.0 140.0 - 61.0
   preprocess_j1 1 DiaGrid 60.002 5.0 105.0 - 65.0
   stage_out_local_analyze_j4_0 1 local 0.0 - 180.0 - 0.0
   stage_out_local_findrange_j2_0 1 local 20.0 - 670.0 - 20.0
   stage_out_local_findrange_j3_0 1 local 15.0 - 690.0 - 15.0

Steven would like to see two more columns

1) exitcode - the exitcode with which job exited
2) hostname - the host on which the job ran on as captured in the kickstart record