More succinct paralleltest test output.
Add APUG slides.
Add accompanying IPython notebook.
Add CSS to use with Notebook slideshow view.
Fix failing empty array tests.
Test some of the attributes of the empty slice.
Check attributes on empty 2d slice.
Pass the Distribution object into from_localarrays.

This gets around the fact that `n` maps are translated into `b` maps on the Local side.
Add some tests of the output distribution.
Merge pull request #459 from enthought/bugfix/446

Fix empty slice regression
Merge pull request #460 from enthought/bugfix/443

Fix #443
Merge pull request #448 from cowlicks/apug-pr

@bgrant's Austin Python User Group Slides.
Copy the demo notebook to the example dir.

Also
* remove my name, the date, and references to APUG
* rename the notebook "features` to make it more generic
* change a call to `.get_localarrays()` to `.localarrays()`
* remove the "(coming soon)" note about slicing
Use print_function for py3 compatibility.
Reset the prompt numbers.
Merge pull request #439 from enthought/feature/compact-paralleltest-reporting

More succinct paralleltest test output.
Add a simple test of one's h5py installation.
Refactor DistArray __getitem__ into methods.
Use slicing when possible in fromndarray.

We should probably allow slice syntax for __setitem__ in all cases and just fall back to an item-by-item implementation when necessary, but that can be a separate PR.
Use Ellipsis instead of single slice.