Remove tsn_ip_1 and tsn_ip_2 parsing from agent. It was meant as hack to add
tunnel route for TOR VTEP address.
add default GW route, fix vn_uve crash when VM is not present
Merge remote-tracking branch 'manishsing-fork/psethi_openvswitch' into vcpe_integration

Conflicts:
	src/vnsw/agent/init/agent_param.cc
	src/vnsw/agent/init/agent_param.h