1.0.0 wmagent

https://github.com/dmwm/WMCore/pull/5375 (merged)
https://github.com/dmwm/WMCore/pull/5376 (merged)
https://github.com/dmwm/WMCore/pull/5381 (merged)
https://github.com/dmwm/WMCore/pull/5384 (merged)
https://github.com/dmwm/WMCore/pull/5385 (merged)
https://github.com/dmwm/WMCore/pull/5397 (merged)
https://github.com/dmwm/WMCore/pull/5405 (merged)
https://github.com/dmwm/WMCore/pull/5405 (merged)