create ceph admin key on osd nodes
RadosGW requires Keystone token_format = PKI

RadosGW Keystone intergration requires keystone to use the PKI token_format. This adds the ability for the manafests upstream of keystone to be passed $token_format as a variable and sets token_format with use_ceph
RadosGW fixes

move command to create signing certs for NSS db to radosgw
fix some file and package deps
add chain to make sure keystone will run fist