blueprint lb-api-v2-support
Plugin support for the linuxbridge using the v2 API
1. The core_plugin in quantum.conf must be set to:
quantum.plugins.linuxbridge.LinuxBridgePluginV2.LinuxBridgePluginV2
2. By default the agent is v2. A configuration file entry 'target_v2_api'
in the section 'AGENT' can be set as False to support v1.
Change-Id: I2e196859c13b28e535c6ec394ec3f5bc907bf019