Add a WordPress template for Rackspace Cloud Servers

Change-Id: I9bfecc035667a66579e9cac720a0d150ee6518f9
Added demo

Change-Id: I21f2f69ffcd3a8a252be959c6f0f1cf783a49b07
Added cfn/WordPress_Single_Instance_Rackspace_Cloud_Servers.template

Change-Id: I17ff766dd14e941b49139f1f4afdef66e73d8537
Merge branch 'demo-2013-07-02' of github.com:jasondunsmore/heat-templates into demo-2013-07-02

Conflicts:
	cfn/WordPress_Single_Instance_Rackspace_Cloud_Servers.template

Change-Id: I7e3747f5292693fa5774b2d64b3aa624b878e6e5