Provide np.broadcast_arrays replacement that allows subclasses
Determine whether to overload by testing for the actual problem
Add numpy license
Move from astropy.utils to astropy.utils.compat
Add documentation, and make things confirm to it
Do not import test function in compat.numpy; associated changes
Use final numpy version, use it in coordinates, add changelog entry
Only import what's necessary, slight modification of instructions.
Merge pull request #2327 from mhvk/util-numpy-broadcast-arrays

Provide np.broadcast_arrays replacement that allows subclasses