Cleaned up event helpers.
Reordered event chain for intializing ports for interfaces.
Merge remote branch 'origin/master' into refactor-port-manager
Fixed routes ipv4_prefix so it handles /0 and moved params_uuid to the top of methods.
Fixed spec for interface_uuid in routes.
Cleaned up port manager.
Fixed spec for port manager.
Merge remote branch 'origin/master' into refactor-port-manager
Removed deprecated Manager::item.
Changed how installed flag is set for ports.
Added Port ostruct object.
Fixed dpid parameter checks for '/datapaths'.
Removed deprecated flow/tunnel methods from Datapath.
Use install instead of intialize in Host to create datapath_info.
Changed how no_flood is set for ports.
Merge remote branch 'origin/master' into refactor-port-manager

Conflicts:
	vnet/lib/vnet/endpoints/1.0/datapaths.rb
Cleaned up how default gw is found.
Added gateway option to the config file for arp lookup.
Fixed issue with route link not properly creating tunnel link.
Merge remote branch 'origin/master' into refactor-port-manager

Conflicts:
	vnet/lib/vnet/manager.rb
	vnet/lib/vnet/openflow/interface_manager.rb