Added some documentation for the new SSL settings.
Merge pull request #1050 from pulp/mhrivnak-restart-docs

adding docs about the components of pulp server
Admit that HA is untested in docs.
Added a release note for a known issue.

Also, fixed some PR review notes.
Merge branch 'rbarlow-ssl_docs' into pulp-2.4
Merge branch 'pulp-2.4'

Conflicts:
	client_admin/etc/pulp/admin/admin.conf
	client_consumer/etc/pulp/consumer/consumer.conf