Fixes #7071/BZ1125391: add installer and pulp configs to katello-debug.

We do not include katello-installer and pulp proxy configs when running
katello-debug.  This commit adds these configs.

http://projects.theforeman.org/issues/7071
https://bugzilla.redhat.com/show_bug.cgi?id=1125391
Merge pull request #4577 from waldenraines/7071

Fixes #7071/BZ1125391: add installer and pulp configs to katello-debug.