Cleaned up output to router link.
Require interfaces for host interfaces.
Removed cookie and packet manager.
Created a separate base class for normal interfaces.
Added host interface.
Share flows between host, vif and simulated interfaces.
Fixed new flows for LOCAL interfaces.
Removed TABLE_MAC_ROUTE.
Don't check LOCAL flagged packets in table virtual/physical src as they have already been verified in interface classifier.
Merge remote branch 'origin/master' into refactor-output-flows

Conflicts:
	vnet/lib/vnet/openflow/interfaces/base.rb
	vnet/lib/vnet/openflow/port_manager.rb
Temporarily add flows to allow remote simulated interfaces to send packets to a datapath.
Cleaned up vnflows-monitor output.
Small cleanup of host port.
Merge remote branch 'origin/master' into refactor-output-flows
Merge pull request #146 from axsh/refactor-output-flows

Support host interfaces
Added TABLE_OUTPUT_INTERFACE_INGRESS/EGRESS.
Output from multiple host ports based on destination network.
Output to host interface based on network.
Merge remote branch 'origin/master' into feature-host-outputs
Merge pull request #147 from axsh/feature-host-outputs

Feature host outputs