Make TTL > heartbeat by at least one second to prevent key from disappearing before next heartbeat
Make TTL > heartbeat by at least one second to prevent key from disappearing before next heartbeat

Signed-off-by: Mike Goelzer <a17fed27eaa842282862ff7c1b9c8395a26ac320@goelzer.com>

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rett-toews/swarm,docker-zh/docker.github.io,joeuo/docker.github.io,denverdino/swarm,srikalyan/swarm,pssahi/swarm,yp-engineering/swarm,pdevine/swarm,everett-toews/swarm,rav121/swarm,jzwlqx/denverdino.github.io,linecheng/swarm,abronan/swarm,snrism/swarm,sfsmithcha/swarm,jzwlqx/denverdino.github.io,bdwill/docker.github.io,bdwill/docker.github.io,rajdeepd/swarm,tranceitionalMynd/swarm,johnstep/docker.github.io,phiroict/docker,menglingwei/denverdino.github.io,denverdino/denverdino.github.io,docker/docker.github.io,NunoEdgarGub1/swarm,jzwlqx/denverdino.github.io,joeuo/docker.github.io,dims/swarm,errordeveloper/swarm,docker/docker.github.io,u2mejc/swarm,kunalkushwaha/swarm,adouang/swarm,therealbill/swarm,bpradipt/swarm,BSWANG/denverdino.github.io,xFragger/swarm,aduermael/docker.github.io,ezrasilvera/SwarmACLs,phiroict/docker,gradywang/swarm,JimGalasyn/docker.github.io,gdevillele/docker.github.io,resouer/swarm,echupriyanov/swarm,LukasBacigal/swarm,bdwill/docker.github.io,iaintshine/swarm,rchicoli/swarm,moxiegirl/swarm,menglingwei/denverdino.github.io,menglingwei/denverdino.github.io,riuvshin/swarm,sanscontext/docker.github.io,shin-/docker.github.io,londoncalling/docker.github.io,resouer/swarm,atlassian/swarm,joaofnfernandes/docker.github.io,thaJeztah/docker.github.io,jzwlqx/denverdino.github.io,schmunk42/swarm,beni55/swarm-1,anweiss/docker.github.io,pssahi/swarm