Updated the format of the changelog for 3.1, and moved the fixes from #137 from 3.0.7 to 3.1.  As explained in the ticket #137, it was just too difficult to apply these fixes to 3.0.7.
Updated the format of the changelog for 3.1, and moved the fixes from #137 from 3.0.7 to 3.1.  As explained in the ticket #137, it was just too difficult to apply these fixes to 3.0.7.

git-svn-id: 5305e2c1a78737cf7dd5f8f44e9bbbd00348fde7@1452 ed100bfc-0583-0410-97f2-c26b58777a21

embray/PyFITS,embray/PyFITS,embray/PyFITS,spacetelescope/PyFITS,spacetelescope/PyFITS,embray/PyFITS