Run pki_setup if on CentOS
Clean up comment as unsure if this is technically a bug in CentOS packages since no keystone-manage commands are run via post installation
Store key/cert in node attributes so that we can share the same key/cert across keystone api nodes
Fix duplicate key
Attributes were being set too soon (at compile time); we need to ensure these don't get set until during run time
Allow use of UUID token_format by setting keystone["pki"]["enabled"] to false
Merge pull request #98 from mattt416/use_pki_token_format

Use PKI token format