Log configuration values for OFA agent
Log configuration values for OFA agent

When other agents start up, they log the configuration values
to their logs. This patch adds the same feature to the
Openflow agent.

fixes bug 1289139

Change-Id: Ibab20154805a12ec265a2499cbfd6c376c376130

budnyjj/ofagent,budnyjj/ofagent,yamt/networking-ofagent,yamt/networking-ofagent-old3