Add etcd to list of host groups to provision initially
Add etcd to list of host groups to provision initially

sostheim/kraken,maratoid/kraken,alejandroEsc/k2,yenicapotediaz/k2,l337ch/kraken,leahnp/k2,maratoid/kraken,samsung-cnct/k2,l337ch/kraken,l337ch/kraken,samsung-cnct/kraken-lib,samsung-cnct/kraken-lib,sostheim/kraken,alejandroEsc/k2,samsung-cnct/k2,maratoid/k2,samsung-cnct/kraken-lib,yenicapotediaz/k2,sostheim/kraken,leahnp/k2,maratoid/kraken,maratoid/k2