Use saltedsignal user for puppet-certmonger
Use saltedsignal user for puppet-certmonger

saltedsignal/puppet-certmonger is favored for puppet-certmonger, as the
original user transfered the repo there.

Change-Id: I18e360f64beb0c9acc21b37df938cf300046bb04

javierpena/rdoinfo,redhat-openstack/rdoinfo