CI TEST - based upon repo integration task

This uses the repo integration task.  It also take advantage of the
repo Berksfil REPO_DEV support to pull in the current patch.

Change-Id: I5a0fe1b938f113a922b4a8ea1de9756c47f06dcd

Rakefile

@@ -24,3 +24,18 @@ task :clean do
     'Berksfile.lock'
   ]
 end
+
+desc "All-in-One Neutron build Infra"
+task :integration do
+  # Use the berksfile REPO_DEV support to make use of the existing patch clone.
+  # Make a sym link from workspace/gate-cookbook-openstack-common-chef-rake-integration
+  # to workspace/cookbook-openstack-common
+  patch_dir = Dir.pwd
+  patch_dir_berks = ENV['ZUUL_PROJECT'].split('/')[1]
+  sh %(ln -s #{patch_dir} ../#{patch_dir_berks})
+
+  sh %(git clone --depth 1 git://github.com/stackforge/openstack-chef-repo.git ../openstack-chef-repo)
+  Dir.chdir('../openstack-chef-repo') do
+    sh %(REPO_DEV=ON chef exec rake integration)
+  end
+end