Added patch interface for use with patch ports.
Cleaned up router manager.
Renamed interface events.
Cleaned up interface manager events.
Removed deprecated methods from interface manager.
If the ip address of a simulated arp address is outside the network address space, use x.x.x.1 as the default gateway.
Fixed event constant names in specs.
Merge remote branch 'origin/master' into refactor-more-managers
Added support for enabling routing of ip addresses held by simulated interfaces.
Added support for route link id in static address translations.
Fixed specs for ip lease creation.
Added port translation.
Added missing params argument for event in datapath manager.
Don't use async when resetting the datapath.
Cleaned up creation/deletion of networks.
Changed activate network to use publish event.
Refactored network manager.
Use interface manager event to load simulated interfaces when a network is loaded.
Load services when simulated interfaces are activated.
Fixed service specs after refactoring.