add and unify the retries when messages are published to swift
add and unify the retries when messages are published to swift

The swift message actions can run into odd transient errors which can be "fixed"
with simple retries. This change ensures all of our swift messaging tasks have
retries and that those retries are all unified with a sensible delay.

Change-Id: I555c21d5108f9227cacc9487bbb4cc45037caf03
Signed-off-by: Kevin Carter <1d9a750a4fc7026fb02029431dc8a87d24487135@redhat.com>

openstack/tripleo-common,openstack/tripleo-common