astropy/astropy — pull request #1867 by mdboom (2013-12-05 17:14:03+00:00)
Title: Table sort fails for unicode fields in numpy 1.5

From #1864:

Fails for unicode columns (numpy 1.5, Python 2.7):
```
In [7]: t = Table([[u'Max', u'Jo', u'John'], [u'Miller', u'Miller', u'Jackson'],[12,15,18]], names=('firstname','name','tel'))

In [8]: t._data
Out[8]:
array([(u'Max', u'Miller', 12), (u'Jo', u'Miller', 15),
(u'John', u'Jackson', 18)],
dtype=[('firstname', '