ubiquity open command updated for 0.5

CmdUtils.CreateCommand({
  names: ["goto"],
  icon: "http://www.mozilla-europe.org/favicon.ico",
  homepage: "http://www.google.com/",
  author: { name: "Jan S", email: "neonsamurai@hotmail.com"},
  license: "GPL",
  description: "url to navigate to",
  help: "Type any url to open in a new tab...",
  arguments: [ {role: "object", nountype: noun_arb_text, label: "url"}],

  preview: function( pblock, args) {
    var template = "Go to ${url}";
    pblock.innerHTML = CmdUtils.renderTemplate(template, {"url": "any url..."});
  },
  execute: function(args) {
    Utils.openUrlInBrowser(args.object.text);
  }
});