Pandas failing on Debian big-endian builds
Hello,

Package pandas is failing to build from source on Debian big-endian builds with following message:

<pre>
======================================================================
FAIL: test_to_records (pandas.tests.test_categorical.TestCategoricalAsBlock)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/«BUILDDIR»/pandas-0.15.1+git125-ge463818/debian/tmp/usr/lib/python2.7/dist-packages/pandas/tests/test_categorical.py", line 2393, in test_to_records
    tm.assert_almost_equal(result,expected)
  File "das/src/testing.pyx", line 58, in pandas._testing.assert_almost_equal (pandas/src/testing.c:2745)
  File "das/src/testing.pyx", line 93, in pandas._testing.assert_almost_equal (pandas/src/testing.c:1830)
  File "das/src/testing.pyx", line 143, in pandas._testing.assert_almost_equal (pandas/src/testing.c:2618)
AssertionError: (0L, 'a') != (0L, 'a')

----------------------------------------------------------------------
</pre>


https://buildd.debian.org/status/package.php?p=pandas&suite=sid

Looking at a upstream source and testing it on big-endian build I found that this problem stops occurring after commit  7eb5668

Difference between this commit and Debian version is big. 
I am new to pandas and I did not had much luck in identifying minimal change set needed to patch Debian version of package to work with big-endian.

I have seen TST: better testing for test_where (GH8997) #9015 and that did not help much.

Could someone please take a look at this?
Help is welcomed.

Thank you!

Regards,
Jurica
