legion_prof.py: display 'ProfTask <id>' for any ProfTask with id >= 0 (instead of >= 1)
legion_prof.py: display 'ProfTask <id>' for any ProfTask with id >= 0 (instead of >= 1)

StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion,StanfordLegion/legion