change to module001-ch008-queues-messaging

changed rpc worker and rpc cast sentence
changed reply to plural
paces around "and"
removed "we"
revised sentence
added space "using <command>"
added a space before A
added space and capitals after </emphasis>

Change-Id: I3f9d5fb147aaacd42e5790aa751547e5821482a7
Consolidate keystone token_flush setup into one command.

Obsolete need for editor knowledge by allowing for easy copy and
paste of one command that can be used to set this up.

Change-Id: I21b31ebd52a88949aaac758d5f7f17b7ff8839ba
Revises text to explain that multiple passwords are needed

Change-Id: I502c3b9f5789eb5452b486407cc362c6ff95a29b
Closes-bug: 1296213
Remove unused file addmethod.openstackapi

This file is just a very ugly copy from cinder without proper DocBook
markup and not used anywhere.
Remove it.

Change-Id: I0d719b4ac90b69989a38fdd85c3f006e0669a3d7
Merge "Revises text to explain that multiple passwords are needed"
Merge "change to module001-ch008-queues-messaging"
Merge "Remove unused file addmethod.openstackapi"
Merge "Consolidate keystone token_flush setup into one command."