Add support for multiple edge hosts(temporary hack)
Merge remote branch 'origin/master' into feature-esxi

Conflicts:
	vnet/lib/vnet/openflow/ports/host.rb
Merge pull request #181 from axsh/feature-esxi

Feature esxi
Fix Vnet::Event::Notifications
Remove :focus
Merge pull request #183 from axsh/fix-event-notification

Fix event notification
Removed deprecated methond in tunnel manager.
Merge remote branch 'origin/master' into refactor-tunnels