Update section to use OpenStack Documentation Convention

[Eric Lopez]

Follow the guidelines for Openstack Networking sections to follow the Documentation convention spec'd in
https://wiki.openstack.org/wiki/Documentation/Conventions

State of networking => State of Networking
Openstack Networking => Networking
Grizzly => Icehouse

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Built: 2014-07-17T17:41:58 00:00
git SHA: c14f57c7e299c76ed1e8f26f02a4a4892657a3eb
URL: http://docs.openstack.org/security-guide/content/state-of-networking.html
source File: file:/home/jenkins/workspace/security-doc-tox-doc-publishdocs/security-guide/ch_state-of-networking.xml
xml:id: state-of-networking

[Andreas Jaeger (jaegerandi)]

OpenStack Networking is fine and should especially used the first time in a chapter and where just Networking might be ambitious.

[Andreas Jaeger (jaegerandi)]

s/ambitious/ambigous/

[Andreas Jaeger (jaegerandi)]

New content at:
http://docs.openstack.org/security-guide/content/networking.html

With the various edits done, all issues have been addressed.