Start of broker-config docs
Added some more docs. Not complete yet.
First draft of Pulp Broker Settings complete.
Grammar fixes for broker-settings.rst.
Moves inline docs to conf files and adds consumer.conf info.
Merge branch 'bmbouter-US2807' into pulp-2.4

Conflicts:
	docs/sphinx/user-guide/installation.rst
	server/etc/pulp/server.conf
Added three new groupinstall definitions to include Qpid bits.
Merge branch 'bmbouter-1109735' of github.com:pulp/pulp into bmbouter-1109735