Openstack-Chef recipes for quantum+linuxbridge:

        - added quantum and lb attribute files,
	  recipes and templates
        - added initial quantum configuration of
          security group and external network
        - TODO: include quantum processes in zabbix monitoring
        - TODO: investigate nova-metadata process
Improvements by Brenden:

	- disk cache mode to writethrough
	- changed ceph-fuse to ceph
	- added live migration params for nova
	- changed quota driver for quantum
Merge pull request #5 from inakip/grizzly

Chef recipes for Quantum + LinuxBridge