change default from np.median to np.ma.median
Updated docstring to say that fields are not stripped
Update this test to provide a little better information when it fails.
Merge pull request #2682 from amras1/fix-tab-docstring

Changed docstring of tab-separated values reader
Added a note to system packagers, where hopefully they can find it
Fix how terminal size is handled in table.pprint.
Raise exception when running tests inside IPython.
Make tests pass on Scipy 0.12.1
Fix #2685.
Merge pull request #2686 from mdboom/modeling/scipy-0.12-tests

Make tests pass on Scipy 0.12.1
Change entrt in CHANGES.rst according to comment on github
Address feedback from @taldcroft.
Fix up CHANGES
Set max_lines and max_width to "nothing" in the config file.
Fixes to wcs/test_extension.py

If compilation of the test extension fails, mark the test as skipped,
since it probably just indicates the user doesn't have a working
compilation environment.

Don't ever skip on Travis, since a failure there indicates something
more serious.
Merge pull request #2684 from mdboom/testing/warn-when-in-ipython

Raise exception when running tests inside IPython.
Added a changelog entry for #2684, which seemed worthwhile.
Orthogonal to this PR, but my Sphinx was throwing up a warning from there not being a linebreak here.
A bit of other miscellaneous cleanup not related to astropy-helpers
Discussion of astropy-helpers in many places where appropriate. Especially in the docs guide since all the sphinx extensions now live in astropy-helpers.  Also links to APE 4 in several places where it describes astropy-helpers usage