Adds create_plan and delete_plan requests

Adds following to Planning service of OpenStack:
 * create_plan and delete_plan requests
 * tests for create_plan and delete_plan requests

lib/fog/openstack/planning.rb

@@ -30,6 +30,8 @@ module Fog
       request :list_plans
       request :get_plan_templates
       request :get_plan
+      request :create_plan
+      request :delete_plan
 
       class Mock
         def self.data

lib/fog/openstack/requests/planning/create_plan.rb

@@ -0,0 +1,33 @@
+module Fog
+  module Openstack
+    class Planning
+      class Real
+        def create_plan(parameters)
+          request(
+            :expects => [201],
+            :method  => 'POST',
+            :path    => "plans",
+            :body => Fog::JSON.encode(parameters)
+          )
+        end
+      end # class Real
+
+      class Mock
+        def create_plan(parameters)
+          response = Excon::Response.new
+          response.status = [201][rand(1)]
+          response.body = {
+            "created_at" => "2014-09-26T20:23:14.222815",
+            "description" => "Development testing cloud",
+            "name" => "dev-cloud",
+            "parameters" => [],
+            "roles" => [],
+            "updated_at" => nil,
+            "uuid" => "53268a27-afc8-4b21-839f-90227dd7a001"
+          }
+          response
+        end # def create_plans
+      end # class Mock
+    end # class Planning
+  end # module Openstack
+end # module Fog

lib/fog/openstack/requests/planning/delete_plan.rb

@@ -0,0 +1,23 @@
+module Fog
+  module Openstack
+    class Planning
+      class Real
+        def delete_plan(plan_uuid)
+          request(
+            :expects => [204],
+            :method  => 'DELETE',
+            :path    => "plans/#{plan_uuid}"
+          )
+        end
+      end # class Real
+
+      class Mock
+        def delete_plan(plan_uuid)
+          response = Excon::Response.new
+          response.status = [204][rand(1)]
+          response
+        end # def delete_plans
+      end # class Mock
+    end # class Planning
+  end # module Openstack
+end # module Fog

tests/openstack/requests/planning/plan_tests.rb

@@ -25,6 +25,18 @@ Shindo.tests('Fog::Openstack[:planning] | Planning plan requests', ['openstack']
       Fog::Openstack[:planning].get_plan(@instance['uuid']).body
     end
 
+    tests('#delete_plan').succeeds do
+      Fog::Openstack[:planning].delete_plan(@instance['uuid'])
+    end
+
+    tests('#create_plan').data_matches_schema(@plan_format) do
+      plan_attributes = {
+        :name        => 'test-plan-name',
+        :description => 'test-plan-desc',
+      }
+      @instance = Fog::Openstack[:planning].create_plan(plan_attributes).body
+    end
+
     tests('#get_plan_templates').data_matches_schema(@plan_templates_format) do
       Fog::Openstack[:planning].get_plan_templates(@instance['uuid']).body
     end