OS::Neutron::Router should be determine l3-agent to create real resource

[Ryo Miki]

Below patch has been merged. It adds "OS::Neutron::NetDHCPAgent" resource that
supports associating network with dhcp-agent.

https://bugs.launchpad.net/heat/+bug/1245366
https://review.openstack.org/#/c/59626/

It should also be added for between router and l3-agent. Thus, we will add
"OS::Neutron::RouterL3Agent" for neutron/router.py

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/61388

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/61388
Committed: https://git.openstack.org/cgit/openstack/heat/commit/?id=54f3f1d60af880dfd6f4ad8d6ade73566405bc02
Submitter: Jenkins
Branch: master

commit 54f3f1d60af880dfd6f4ad8d6ade73566405bc02
Author: Ryo Miki <email address hidden>
Date: Tue Dec 10 17:41:57 2013 +0900

    Add OS::Neutron::RouterL3Agent for router.py

    This resource supports part of "agent management and scheduler
    extensions" in Neutron. It associates router with l3-agent.

    see related-bug: #1245366

    Closes-bug: #1259845
    Change-Id: I781645e62beb4fe60e064d61ad298834e551142d