Merge pull request #22 from t-lin/silver

Update run_agent.sh and run_stack.sh to support new Janus plugin and FV-Agent
Change WHALE_CLIENT_REPO to WHALECLIENT_REPO
resolving remaining issues for latest changes
Updated gen-local.sh to support Janus plugin
Updated local.sh template to check which Quantum plugin in use
Minor bug fix in stack.sh to (Install OVS even if Janus in use)
Minor bug fix in ctrl-localrc (Uncomment Janus host/port params)