ipython/ipython — pull request #4044 by ivanov (2013-08-15 20:06:16+00:00)
Title: rename call methods to transform and postprocess

- The `call` methods for nbconvert transformers has been renamed to
`transform`.
- The `call` methods of nbconvert post-processsors have been renamed to
`postprocess`.

pinging @Carreau and @jdrefer, who probably knows who'd be affected by
this change... maybe @damianavila, @jakevdp