Modified the template layout

* The template can now set individual password for chef, rabbit, openstack.
* The cookbook version can now be set
* removes dep on foreign resource, (chef env from support)
* sets MOTD with useful information
* adds admin key in Openstack for easier deployment
* adds volume type for ease of use
* adds a fedora image to the default setup

Additionally the template Has more options which can be added at a later date.