Add ellipsis support to sanitize_indices.
Add getitem ellipsis tests.
Merge branch 'feature/add-slicing' into feature/add-ellipsis-support-to-slicing
Merge branch 'feature/add-slicing' into feature/add-ellipsis-support-to-slicing
Fix test in test_distarray.
Add an all-ellipsis test.
Add a skipped test for 0d arrays with ellipsis.
Merge branch 'feature/add-slicing' into feature/add-ellipsis-support-to-slicing
Fix some things for empty slices.

And add tests.
Merge pull request #385 from enthought/feature/add-ellipsis-support-to-slicing

Add Ellipsis support to __getitem__ slicing