Add a F20 WordPress_Native template

Port the WordPress Native template to Fedora 20.  Fedora 20 images
have a bug with mariadb which requires an ugly workaround for the
time being.

Change-Id: Ia3473d05ca756171d8720452790c21c8cac3df7f
Merge "Add a F20 WordPress_Native template"
Adds Support for OpenShift Origin v3.0 on Fedora 19

Previously, Heat templates and image building only supported OSO
on F18.

Change-Id: If1bfb30a6e1e1f609d7345f61e812c5d1623d386