Bundle local copy of wcs_to_celestial_frame until Astropy 1.0 is out
Fix failure in docs
Added missing +REMOTE_DATA directive
Fix import of wcs_to_celestial_frame (astropy.wcs.utils can exist without wcs_to_celestial_frame)
Fix typo
Move wcs_utils.py to extern
Fixed imports
Merge pull request #139 from astrofrog/add-local-wcs-utils

Bundle local copy of wcs_to_celestial_frame until Astropy 1.0 is out
Testing the concept of having a separate aperture class for SkyCircularAperture
Fixes
Updated tests
Partially fix skycoord test
Fixed some doctests