testing upgrade
testing upgrade

1. traffic_ops/rpm_comm/traffic_ops.spec - added check to see if dir
and link exist before trying to create them, removed the extra groupdel
in postun

hbeatty/traffic_control,hbeatty/traffic_control,hbeatty/traffic_control,hbeatty/traffic_control,hbeatty/traffic_control,hbeatty/traffic_control,hbeatty/traffic_control,hbeatty/traffic_control,hbeatty/traffic_control,hbeatty/traffic_control