1) Include framework for remote etcd backups.
2) Use porthole etcdctl utility image for backups.
3) Move helm-toolkit pin to latest commit.
4) Add a keystone user for RGW.
5) Add a secret for Swift API access.
6) Add a secret for backup/restore configuration.
Change-Id: Ica549c3b6bc00ca55540b8ffedd4c46af0d8d25e