rhel havana initial support

rdo rpm for some reasons comes with puppetlabs and other useless repos

syntax fix
fix executing keystone-manage
keystone conf dir comes with root permissions from rdo repo

typo
Merge branch 'feature/rhel-havana/roxy/master' of https://github.com/MirantisDellCrowbar/barclamp-keystone into feature/rhel-havana/roxy/master