agent: add UnitStatePublisher
agent: add UnitStatePublisher

endocode/fleet,coreos/fleet,mischief/fleet,mookjp/fleet,octoblu/fleet,improbable-io/fleet,paveltiunov/fleet,dongsupark/fleet,dalbani/fleet,thepwagner/fleet,dalbani/fleet,endocode/fleet,mookjp/fleet,ecnahc515/fleet,flandr/fleet,paveltiunov/fleet,WPMedia/fleet,giantswarm/fleet,mwitkow-io/fleet,giantswarm/fleet,jonboulle/fleet,thepwagner/fleet,ecnahc515/fleet,mwitkow/fleet,hhoover/fleet,bviswana101/fleet,bviswana101/fleet,jonboulle/fleet,hhoover/fleet,coreos/fleet,improbable-io/fleet,mwhooker/fleet,mischief/fleet,flandr/fleet,mwitkow-io/fleet,endocode/fleet,webwlsong/fleet,mwitkow/fleet,esatterwhite/fleet,bcwaldon/fleet,dongsupark/fleet,giantswarm/fleet,webwlsong/fleet,esatterwhite/fleet,improbable-io/fleet,octoblu/fleet,WPMedia/fleet,dalbani/fleet,ecnahc515/fleet,mwhooker/fleet,coreos/fleet,bcwaldon/fleet,jonboulle/fleet,dongsupark/fleet,wuqixuan/fleet,bcwaldon/fleet,wuqixuan/fleet