Merge pull request #2937 from mhvk/numpy-dev-1.10

Support numpy 1.10 (master) by adding support for np.cbrt [closes #2936]
Merge pull request #2845 from embray/coordinates/issue-2845

Make frame attributes appear in __repr__ in a deterministic order
Conflicts:

	CHANGES.rst
Merge pull request #2963 from mhvk/column-functions-with-boolean-output

Ensure Column-ness is stripped for boolean ufuncs; faster copy
Merge pull request #2958 from mhvk/iers-table-numpy-1.9-bug

doctest failure in time.core with --remote-data
Merge pull request #2968 from mhvk/quantity-keep-unit-for-zero

Quantity addition with zero