Add LTI stub forwarded port.

vagrant/release/devstack/Vagrantfile

@@ -43,6 +43,7 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
   config.vm.network :forwarded_port, guest: 8000, host: 8000
   config.vm.network :forwarded_port, guest: 8001, host: 8001
   config.vm.network :forwarded_port, guest: 4567, host: 4567
+  config.vm.network :forwarded_port, guest: 8765, host: 8765
 
   # Enable X11 forwarding so we can interact with GUI applications
   if ENV['VAGRANT_X11']
@@ -61,7 +62,7 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
     # http://askubuntu.com/questions/238040/how-do-i-fix-name-service-for-vagrant-client
     vb.customize ["modifyvm", :id, "--natdnshostresolver1", "on"]
   end
- 
+
   # Use vagrant-vbguest plugin to make sure Guest Additions are in sync
   config.vbguest.auto_reboot = true
   config.vbguest.auto_update = true