Let the template deploy the policy by default; log the msg from heatgen_agent.
Update the neutron sdnve-plugin-icehouse based on the official v1.1.90-10 package.
ignore the pkill unexisted heat-agent process
Add timestamp when output msg.
Add log file support
Set bidirectional to True by default and start agent as daemon.
Minor fix log msg and default controller address
Add the sdnve_plugin_test.py