Update localization checks to understand separate catalogs
Update localization checks to understand separate catalogs

Make sure localization checks understand OpenStack's seperate message
catalogs.

https://wiki.openstack.org/wiki/LoggingStandards#Guidelines

Change-Id: I958d615f6bc83f0d2fb50d897ce18b956a269d84

hyakuhei/cleantox,openstack-dev/hacking,zancas/hacking,hyakuhei/cleantox,openstack-dev/hacking,zancas/hacking