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...
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
fix(controller): use build image for publishing releases