Tombloo.Service.actions.register( {
  name : 'Copy bit.ly Link',
  type : 'context',
  SHORTEN_SERVICE : 'bit.ly',
  execute : function(ctx){
    var nowlocation = ctx.href;
    shortenUrls(nowlocation, models[this.SHORTEN_SERVICE]).addCallback(function(value){
        copyString(value);
    });
  },
}, '----');