CI is broken, the `zuul-merger` can't not merge anything:
```
2015-10-12 08:41:58,952 ERROR zuul.Merger: Unable to reset repo <zuul.merger.merger.Repo object at 0x7f7c741a2690>
Traceback (most recent call last):
File "/usr/share/python/zuul/local/lib/python2.7/site-packages/zuul/merger/merger.py", line 285, in _mergeItem
repo.reset()
File "/usr/share/python/zuul/local/lib/python2.7/site-packages/zuul/merger/merger.py", line 87, in reset
self.update()
File "/usr/share/python/zuul/local/lib/python2.7/site-packages/zuul/merger/merger.py", line 179, in update
origin = repo.remotes.origin
File "/usr/share/python/zuul/local/lib/python2.7/site-packages/git/util.py", line 669, in __getattr__
return list.__getattribute__(self, attr)
AttributeError: 'IterableList' object has no attribute 'origin'
```