Add autodeploy properties task to rakefile

rakefile

@@ -227,3 +227,13 @@ namespace :cms do
     end
   end
 end
+
+desc "Build a properties file used to trigger autodeploy builds"
+task :autodeploy_properties do
+    File.open("autodeploy.properties", "w") do |file|
+        file.puts("UPSTREAM_NOOP=false")
+        file.puts("UPSTREAM_BRANCH=#{BRANCH}")
+        file.puts("UPSTREAM_JOB=#{PACKAGE_NAME}")
+        file.puts("UPSTREAM_REVISION=#{COMMIT}")
+    end
+end