Sync with openvswitch mesh network and SDN/OpenFlow support
Merge pull request #1 from changbl/working

Sync with openvswitch mesh network and SDN/OpenFlow support
Sync with cookbooks/openvswitch

Remove manual IP specifications for worker nodes in environments
onerack
Sync with cookbooks/openvswitch
Merge pull request #2 from changbl/working

Working
Add ntp into roles/base for controller and workers to sync time
Merge pull request #3 from changbl/working

Add ntp into roles/base for controller and workers to sync time