Wercker

This PR contains the wercker.yml file and the necessary files to do Capistrano deployments to the Rackspace CGG environment.

@angaither 
@DFurnes 
Right, but the application assumes that a `/public/images` folder exists and will be writeable for storing images. It will error out of the directory is not created, hence why we were using a `.gitignore` to keep folder in version control but not its contents.