Speed up fk4_no_e_fk4 test.
Mention acceptable shortcut for `list(six.iterkeys(d))`
Fix typo in doctest
If running in an msys shell, use the /home/embray environment variable set in that shell to find the user's home.  The surest way to determine this is if the MSYSTEM environment variable is set (it doesn't matter what it's set to).  Obviously this isn't foolproof but there are few better alternatives (one might be to try calling 'uname').
Fix Python 3 issue on big endian platforms
Add CHANGES entry
Fix for #1900
Don't run tests if scipy is not present
Add function to calculate inverse of cosmology function and tests
Merge pull request #1903 from nden/linear-models-deriv

Fix for #1900
Update CHANGES.rst

Changelog entry for #1900.
Update CHANGES.rst

Ugh, a3616a8089bea8ad05f987f4ae8e7569fc746045 should have referenced #1903.
Fix definition of "bar"
Merge pull request #1910 from mdboom/unit/bar

Definition of units.bar is off by a factor of 1000
Merge pull request #1891 from mdboom/docs/six-guidelines

Additional note to six coding guidelines
Alternative fix for #1908.  Don't display scientific notation in sexagesimal.
Update CHANGES.rst
Fix #1766: Use Table's repr for io.votable.tree.Table
Add a CHANGES entry
It doesn't make to test this for Unicode guidelines.