parallel with object

there are a couple more places that can benefit from using a object in parallel so the callback can be simplified.

ie `removeVote` function has

```
 function(err, results) {
	callback(err, {
        	pollid: pollid,
	        votecount: results[1],
	        options: results[2]
	});
});
```

If the parallel returns named objects you can just pass the callback to the last param like I did with getPoll.