ref(builder/registry): have builder push slugrunner in ExecStartPost
docs(managing_deis): remove dead machine from etcd cluster
docs(ec2): move "scale routers" section after platform installation
fix(deisctl): bump status pollwait sleeps to 3s

This was accidentally set to just 1/10 of a second...
fix(controller): add retries on container creation
fix(controller): work around fleet state reporting bug
where units report as "failed" before they go "active"
fix(controller): add retry on destroy
Merge pull request #2068 from carmstrong/remove_etcd_machine

docs(managing_deis): remove dead machine from etcd cluster
fix(deisctl): bump default etcd timeout to 10s
Merge pull request #2070 from mboersma/ec2-readme-update

docs(ec2): move "scale routers" section after platform installation
Merge pull request #2071 from carmstrong/deisctl-bump_timeout

fix(deisctl): bump status pollwait sleeps to 3s
Merge pull request #2074 from carmstrong/deisctl-10s_etcd

fix(deisctl): bump default etcd timeout to 10s
Merge pull request #2072 from gabrtv/retry

Retry Fleet container scheduling operations
Merge pull request #2062 from gabrtv/seed-registry

ref(builder/registry): have builder push slugrunner in ExecStartPost
style(builder): formatting
Merge pull request #2078 from bacongobbler/builder-flush

style(builder): formatting