Ensure default_url is initialized
Ensure default_url is initialized

jpcaruana/buildr,liamchristopher/buildr,stewi2/buildr,apache/buildr,liamchristopher/buildr,jpcaruana/buildr,liamchristopher/buildr,jpcaruana/buildr,apache/buildr,apache/buildr,jpcaruana/buildr,apache/buildr,stewi2/buildr,liamchristopher/buildr,stewi2/buildr,stewi2/buildr