Normalize int config values to string
Normalize int config values to string

We have no things that expect actual int values. It's easy to write
ints in yaml though - so normalize them to strings.

Change-Id: I58cfdda697da9b7e030f4165ef8e60f4e9d00b66

stackforge/python-openstacksdk,stackforge/python-openstacksdk,openstack/python-openstacksdk,dtroyer/python-openstacksdk,dtroyer/python-openstacksdk,openstack/python-openstacksdk,dtroyer/os-client-config,openstack/os-client-config