This commit includes the creation of a doc about how the agent operates
and how to configure OpenStack to operate properly with it.
Fixed minor editorial issues.
Signed-off-by: Elisamara Aoki Goncalves <elisamaraaoki.goncalves@windriver.com>
Change-Id: Ie118b1b2b7924a7f3a94bec089cd315094ebdef2