Fix orchestration request status codes.

Make the OpenStack Orchestration return codes match what
actually gets returned from Heat.

lib/fog/openstack/requests/orchestration/create_stack.rb

@@ -22,6 +22,7 @@ module Fog
           }.merge(options)
 
           request(
+            :expects  => 201,
             :path => 'stacks',
             :method => 'POST',
             :body => MultiJson.encode(params)
@@ -45,8 +46,10 @@ module Fog
           }
 
           response = Excon::Response.new
-          response.status = 202
-          response.body = {}
+          response.status = 201
+          response.body = {
+            'id' => stack_id,
+            'links'=>[{"href"=>"http://localhost:8004/v1/fake_tenant_id/stacks/#{stack_name}/#{stack_id}", "rel"=>"self"}]}
           response
         end
       end

lib/fog/openstack/requests/orchestration/delete_stack.rb

@@ -14,6 +14,7 @@ module Fog
 
         def delete_stack(stack_name, stack_id)
           request(
+            :expects  => 204,
             :path => "stacks/#{stack_name}/#{stack_id}",
             :method => 'DELETE'
           )
@@ -26,7 +27,7 @@ module Fog
           self.data[:stacks].delete(stack_id)
 
           response = Excon::Response.new
-          response.status = 202
+          response.status = 204
           response.body = {}
           response
         end

lib/fog/openstack/requests/orchestration/list_stacks.rb

@@ -25,6 +25,7 @@ module Fog
 
         def list_stacks(options = {})
           request(
+            :expects  => 200,
             :path => 'stacks',
             :method => 'GET',
             :query => options

lib/fog/openstack/requests/orchestration/update_stack.rb

@@ -20,6 +20,7 @@ module Fog
           }.merge(options)
 
           request(
+            :expects  => 202,
             :path => 'stacks',
             :method => 'PUT',
             :body => MultiJson.encode(params)

tests/openstack/requests/orchestration/stack_tests.rb

@@ -10,8 +10,13 @@ Shindo.tests('Fog::Orchestration[:openstack] | stack requests', ['openstack']) d
     'updated_time'        => Time
   }
 
+  @create_format = {
+    'id'                  => String,
+    'links'               => Array,
+  }
+
   tests('success') do
-    tests('#create_stack("teststack")').formats({}) do
+    tests('#create_stack("teststack")').formats(@create_format) do
       Fog::Orchestration[:openstack].create_stack("teststack").body
     end