code: function imageUrl(path) {
      var dataUrl;
      try {
          dataUrl = require('text!cockpit/ui/' + path);
      } catch (e) { }
      if (dataUrl) {
          return dataUrl;
      }
  
      var filename = module.id.split('/').pop() + '.js';
      var imagePath;
  
      if (module.uri.substr(-filename.length) !== filename) {
          console.error('Can\'t work out path from module.uri/module.id');
          return path;
      }
  
      if (module.uri) {
          var end = module.uri.length - filename.length - 1;
          return module.uri.substr(0, end) + "/" + path;
      }
  
      return filename + path;
  }
docs: Work out the path for images.
  TODO: This should probably live in some utility area somewhere