fix(registry): Add infinite retry loop around etcd watchers
fix(registry): Add infinite retry loop around etcd watchers

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