Enable human readable logging
Enable human readable logging

This change whitelists the human readable logging module
from our available callback plugins.

Change-Id: Icc938a6392684222b5f4a7ccdc601e48b5298afb
Depends-On: Idad2623eeb7f73e20fe92d9e18cd99e45bc4b64f
Signed-off-by: Kevin Carter <ffb54fded2f22052678e45d78b58d223654eb6fa@rackspace.com>

Logan2211/openstack-ansible,BjoernT/openstack-ansible,openstack/openstack-ansible,yanyao/newton,cloudnull/os-ansible-deployment,robb-romans/openstack-ansible,os-cloud/os-ansible-deployment,weezer/openstack-ansible,Logan2211/openstack-ansible,bunchc/openstack-ansible,BjoernT/os-ansible-deployment,stackforge/os-ansible-deployment,mancdaz/openstack-ansible,yanyao/openstack-ansible,robb-romans/openstack-ansible,cloudnull/os-ansible-deployment,bunchc/openstack-ansible,yanyao/openstack-ansible,stackforge/os-ansible-deployment,mancdaz/openstack-ansible,os-cloud/os-ansible-deployment,cfarquhar/openstack-ansible,BjoernT/os-ansible-deployment,openstack/openstack-ansible,BjoernT/openstack-ansible,cfarquhar/openstack-ansible,yanyao/newton,weezer/openstack-ansible,BjoernT/os-ansible-deployment