Use a list of etcd endpoints rather than the single leader ip.
Switch to etcdCluster

Upload all ctl files with new parameters
file-server pulls properties from cf-release
Merge branch 'composite-cf-diego' of https://github.com/fraenkel/diego-release into fraenkel-composite-cf-diego

Conflicts:
	jobs/file-server/spec
	jobs/file-server/templates/file-server_ctl.erb