PermitRootLogin for hosts group

Allow login as root user to hosts.
We currently use root user for all our tasks, this causes the integrated
build to fail, and would cause all deploys to fail too, since ansible
can't log into the hosts as the root user.

Change-Id: I8d34cef23b81e5474b8f2c0e7b7d8bbac3a5dc00
(cherry picked from commit 4c92d37)

group_vars/hosts.yml

@@ -27,3 +27,6 @@ stig_version: rhel7
 # Temporarily avoid putting SELinux into enforcing mode on CentOS 7 until some
 # additional policy is written. See LP Bug 1657517 for more details.
 security_rhel7_enable_linux_security_module: "{{ ansible_os_family == 'RedHat' | ternary(false, true) }}"
+
+# All our ansible tasks run as root user, we need to allow direct root login
+security_sshd_permit_root_login: yes