Read the production Solr URL from an environment variable; thanks Figs
Add a default production URL so Travis doesn't crap himself
Actually, you won't need to configure the fedora.yml since that's not how it's done anymore
Make it ENV['SOLR_URL'], with the single quotes; that's why Travis is crapping himself
Merge pull request #37 from NYULibraries/feature/production-solr

Read the production Solr URL from an environment variable; thanks Figs