Added DEFAULT_TIMEOUT and RESULT_TTL in settings.RQ_QUEUES

As stated in #57 supports code:

```python
RQ_QUEUES = {
    'default': {
        'HOST': 'localhost',
        'PORT': 6379,
        'DB': 0,
        'PASSWORD': 'some-password',
        'DEFAULT_TIMEOUT': 60,
        'RESULT_TTL': 30,
    },
    'high': {
        'URL': os.getenv('REDISTOGO_URL', 'redis://localhost:6379'), # If you're on Heroku
        'DB': 0,
    },
}
```

You can close #57 and try to think of tests...
For some reason, tests seem to not run on django 1.6, although it works fine on django 1.5. It's probably due to some import related changes in Django 1.6.

Am looking at this now, I'm also updating Travis to show build failures.

Sent from my phone

> On Jun 26, 2014, at 2:36 PM, Leszek Piątek <notifications@github.com> wrote:
> 
> In django_rq/queues.py:
> 
> > @@ -31,13 +32,23 @@ class DjangoRQ(Queue):
> >      def __init__(self, *args, **kwargs):
> >          autocommit = kwargs.pop('autocommit', None)
> >          self._autocommit = get_commit_mode() if autocommit is None else autocommit
> > +
> > +        if kwargs.get('default_timeout', None) is None:
> Sure. I'll try to do that today!
> 
> —
> Reply to this email directly or view it on GitHub.