sphinx: Added sphinx. Generates nice documentation from docstrings.
sphinxcontrib-napoleon: Added the third party Sphinx extension napoleon. This allows docstrings to be formatted using Google style or Numpy style. Both are very readable as docstrings. Also, it parses them in a way that Sphinx can handle for generating documentation.
readline: Added a cmake to build and install the right readline for Mac or Windows using anyreadline. Required by iPython.
zeromq: Added zeromq. Provides an asynchronous message passing implementation. Need by iPython.
pyzmq: Added pyzmq. Provides Python bindings to ZeroMQ. Used by iPython.
nose: Added comment to reflect iPython dependency.
pygments: Added. Provides syntax highlighting support in Python. Used by iPython.
jinja: Added comment to reflect iPython dependency.