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
fixes #7074 - allow registrations even when there is no host
Merge pull request #4577 from waldenraines/7071

Fixes #7071/BZ1125391: add installer and pulp configs to katello-debug.
Merge pull request #4578 from jlsherrill/7074

fixes #7074 - allow registrations even when there is no host
Fixes #6815,#6187/bz1125398,1125358 - Environment Destroy Dynflow

This commit adds code to orchestrate lifecycle env destroy via dynflow.
In addition to that it adds code to prevent environment deletion if any
of the lifecycle env associations like content hosts and activation keys