Don't display UNIX epoch dates
Don't display UNIX epoch dates

Submitted times are UNIX epoch for jobs created before 0.6 which is
confusing in the CLI. Display nothing instead (formatted as "<none>").

Ashald/nomad,nak3/nomad,nak3/nomad,hashicorp/nomad,frundh/nomad,Ashald/nomad,hashicorp/nomad,kmalec/nomad,nak3/nomad,dvusboy/nomad,burdandrei/nomad,kmalec/nomad,kmalec/nomad,burdandrei/nomad,dvusboy/nomad,kmalec/nomad,frundh/nomad,kmalec/nomad,frundh/nomad,dvusboy/nomad,dvusboy/nomad,frundh/nomad,Ashald/nomad,burdandrei/nomad,hashicorp/nomad,nak3/nomad,kmalec/nomad,nak3/nomad,hashicorp/nomad,frundh/nomad,frundh/nomad,burdandrei/nomad,hashicorp/nomad,nak3/nomad,frundh/nomad,burdandrei/nomad,Ashald/nomad,Ashald/nomad,nak3/nomad,burdandrei/nomad,dvusboy/nomad,hashicorp/nomad,Ashald/nomad,dvusboy/nomad,burdandrei/nomad,dvusboy/nomad,Ashald/nomad,kmalec/nomad