This removes the Astropy customizations to the build and development commands in setup.py. Documentation builds (of the API docs in particular) are broken as a result, since there were a lot of Sphinx customizations that they depended on. It should be a straightforward matter to fix the API docs, or a slightly less straightforward matter to introduce a dependency only on the Sphinx customizations of the helpers.
Replacing #123
This removes the Astropy customizations to the build and development commands in setup.py. Documentation builds (of the API docs in particular) are broken as a result, since there were a lot of Sphinx customizations that they depended on. It should be a straightforward matter to fix the API docs, or a slightly less straightforward matter to introduce a dependency only on the Sphinx customizations of the helpers.