Integer+fractional day implementation, using double-doubles.
Tests adapted as well.
Basic subtitution of SOFA by ERFA
Remove further references to SOFA, now in docs
Updated changelog
Updated the last iau prefixed function
PEP8 fixes for time
Improve precision code docs and use more meaningful var names
Add more tests of precision code
Move precision tests to test_precision, refactor into separate tests
Add discussion of floating point accuracy to Time documentation
Merge pull request #1 from taldcroft/time-int-frac

Add new tests, clarify code, and do PEP8 fixes
Fix unhandled exception when getting the HDU data fails (typically in the case of the file being truncated; see https://github.com/astropy/astropy/issues/541)

git-svn-id: http://svn6.assembla.com/svn/pyfits/trunk@2265 ed100bfc-0583-0410-97f2-c26b58777a21
Add a changelog entry for this fix
Merge pull request #1332 from embray/fits-comp-unhandled-exception

Fix unhandled exception in astropy.io.fits.compression module
Merge pull request #1189 from mhvk/time-int-frac

Update internal time manipulation for consistent sub-nanosecond precision
Update CHANGES.rst

Comment for #1189.
ERFA change message moved, minor grammar tweak
Using the full permission text
In 0.2 we are using SOFA, not ERFA
Merge branch 'master' into erfa

Conflicts:
	CHANGES.rst