Initial inclusion of python related charm libs
start with function caller
ha_relation_changed
fix ha_relation_changed
ha_relation_joined & cleanup of duplicated ha_relation_changed
upgrade_charm
cluster_changed
haproxy_utils.py
glance-common, glance-relations
merge changes
config_changed
openstack_common
keystone_joined
object-store_changed
ceph_joined
db_joined
install_hook
image-service_joined
cleanup
object-store_joined