In get_diff_summary, only add username when entering the Completed state... ignore the weird case when a job exists from the Completed state - backport from branch_v2plus
In get_diff_summary, only add username when entering the Completed state... ignore the weird case when a job exists from the Completed state - backport from branch_v2plus

holzman/glideinwms-old,bbockelm/glideinWMS,holzman/glideinwms-old,bbockelm/glideinWMS,bbockelm/glideinWMS,holzman/glideinwms-old,bbockelm/glideinWMS