Make wcs_to_celestial_frame extensible
Added tests and docstring for ``wcs_to_celestial_frame``
Skip doctest
Added changelog entry
Merge pull request #2754 from mdboom/wcs/memleak

WCS memory leak
Merge pull request #1419 from mhvk/quantity-init-with-objects

Cannot create Angle objects with decimal.Decimal
Merge pull request #2697 from cgohlke/patch-2

Fix integer overflow in np.product
Merge pull request #2592 from aconley/copy_cosmo

Making slightly different cosmologies is awkward
Merge pull request #2261 from mhvk/distance-lists-ok

Distance should accept lists of quantities with different units
typo fix: arcseconds->milliarcseconds


[ci skip]
Expand locale known issue
Merge pull request #2760 from astrofrog/more-known-issues

Expand locale known issue
Describe bounds checking at toplevel of docs.
Fix formatting error that causes PDF/LaTeX docs to not finish.
Don't put all user documentation under the "what's new" heading in LaTeX docs.
Merge pull request #2763 from mdboom/wcs/bounds-check-doc

astropy.wcs returns nan when galactic longitude >= 180 degrees
Merge pull request #2764 from mdboom/docs/latex-fixes

LaTeX doc build fixes
Fix the test for an unedited astropy 0.3.2 config

Ignore the jquery_url line when calculating md5sum.
Modernize jsviewer configuration items.
Use astropy_helpers for setup_helpers