TST: test_read_pickles_0_10_1 and test_read_pickles_0_11_0 failures on sparc
was happening with 0.11 and now with v0.11.0-492-gb204e14:

```
======================================================================
FAIL: test_read_pickles_0_10_1 (pandas.io.tests.test_pickle.TestPickle)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/yoh/deb/gits/pkg-exppsy/pandas/debian/tmp/usr/lib/python2.7/dist-packages/pandas/io/tests/test_pickle.py", line 64, in test_read_pickles_0_10_1
    self.compare(vf)
  File "/home/yoh/deb/gits/pkg-exppsy/pandas/debian/tmp/usr/lib/python2.7/dist-packages/pandas/io/tests/test_pickle.py", line 57, in compare
    comparator(result,expected)
  File "/home/yoh/deb/gits/pkg-exppsy/pandas/debian/tmp/usr/lib/python2.7/dist-packages/pandas/util/testing.py", line 238, in assert_frame_equal
    check_less_precise=check_less_precise)
  File "/home/yoh/deb/gits/pkg-exppsy/pandas/debian/tmp/usr/lib/python2.7/dist-packages/pandas/util/testing.py", line 197, in assert_series_equal
    assert_almost_equal(left.values, right.values, check_less_precise)
  File "/home/yoh/deb/gits/pkg-exppsy/pandas/debian/tmp/usr/lib/python2.7/dist-packages/pandas/util/testing.py", line 141, in assert_almost_equal
    assert_almost_equal(a[i], b[i], check_less_precise)
  File "/home/yoh/deb/gits/pkg-exppsy/pandas/debian/tmp/usr/lib/python2.7/dist-packages/pandas/util/testing.py", line 172, in assert_almost_equal
    assert a == b, "%s != %s" % (a, b)
AssertionError: 1970-01-01T00:00:00.000000000+0000 != 2009-01-01T00:00:00.000000000+0000

======================================================================
FAIL: test_read_pickles_0_11_0 (pandas.io.tests.test_pickle.TestPickle)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/yoh/deb/gits/pkg-exppsy/pandas/debian/tmp/usr/lib/python2.7/dist-packages/pandas/io/tests/test_pickle.py", line 71, in test_read_pickles_0_11_0
    self.compare(vf)
  File "/home/yoh/deb/gits/pkg-exppsy/pandas/debian/tmp/usr/lib/python2.7/dist-packages/pandas/io/tests/test_pickle.py", line 57, in compare
    comparator(result,expected)
  File "/home/yoh/deb/gits/pkg-exppsy/pandas/debian/tmp/usr/lib/python2.7/dist-packages/pandas/util/testing.py", line 238, in assert_frame_equal
    check_less_precise=check_less_precise)
  File "/home/yoh/deb/gits/pkg-exppsy/pandas/debian/tmp/usr/lib/python2.7/dist-packages/pandas/util/testing.py", line 197, in assert_series_equal
    assert_almost_equal(left.values, right.values, check_less_precise)
  File "/home/yoh/deb/gits/pkg-exppsy/pandas/debian/tmp/usr/lib/python2.7/dist-packages/pandas/util/testing.py", line 141, in assert_almost_equal
    assert_almost_equal(a[i], b[i], check_less_precise)
  File "/home/yoh/deb/gits/pkg-exppsy/pandas/debian/tmp/usr/lib/python2.7/dist-packages/pandas/util/testing.py", line 172, in assert_almost_equal
    assert a == b, "%s != %s" % (a, b)
AssertionError: 1970-01-01T00:00:00.000000000+0000 != 2009-01-01T00:00:00.000000000+0000
```
