feat(router): Changed store hostname to deis-store

This makes deis-store accessible via https when using a standard wildcard certificate.
ref(builder/registry): have builder push slugrunner in ExecStartPost
Merge pull request #2054 from johanneswuerbach/patch-6

feat(router): Changed store hostname to deis-store
docs(managing_deis): link to Ceph troubleshooting guide
Merge pull request #2065 from carmstrong/add_ceph_troubleshooting

docs(managing_deis): link to Ceph troubleshooting guide
fix(deisctl): don't set SSH tunnel for refresh-units command
docs(managing_deis): remove dead machine from etcd cluster
Merge pull request #2067 from mboersma/fix-refresh-units-tunnel

fix(deisctl): don't set SSH tunnel for refresh-units command
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