Add many recipes and switch to setuptools when possible

In addition to adding all of the follow packages, I've also changed some of the existing recipes to use setuptools instead of distribute (whenever that still worked).

Python 2.6 and 2.7 only
----------------------------------

- [boto](https://pypi.python.org/pypi/boto)
- [chardet](https://pypi.python.org/pypi/chardet)
- [gensim](https://pypi.python.org/pypi/gensim)
- [iotop](http://freecode.com/projects/iotop)
- [JCC](https://pypi.python.org/pypi/JCC)
- [progressbar](https://pypi.python.org/pypi/progressbar)
- [pyenchant](https://pypi.python.org/pypi/pyenchant)
- [stemming](https://pypi.python.org/pypi/stemming)
- [tm](https://pypi.python.org/pypi/tm)

Python 2 and Python 3
---------------------------------
- [certifi](https://pypi.python.org/pypi/certifi)
- [cgkit](https://pypi.python.org/pypi/cgkit)
- [cmd2](https://pypi.python.org/pypi/cmd2)
- [csvkit](https://pypi.python.org/pypi/csvkit)
- [CVXOPT](https://pypi.python.org/pypi/CVXOPT)
- [dawg](https://pypi.python.org/pypi/dawg)
- [dbf](https://pypi.python.org/pypi/dbf) 
- [decorator](https://pypi.python.org/pypi/decorator)
- [ftfy](https://pypi.python.org/pypi/ftfy)
- [inflect](https://pypi.python.org/pypi/inflect)
- [ipdb](https://pypi.python.org/pypi/ipdb)
- [joblib](https://pypi.python.org/pypi/joblib)
- [marisa-trie](https://pypi.python.org/pypi/marisa-trie)
- [NTLK](http://nltk.org/nltk3-alpha/) 3.0a3
- [openpyxl](https://pypi.python.org/pypi/openpyxl)
- [pip](https://pypi.python.org/pypi/pip) (that uses setuptools instead of distribute)
- [psycopg2](https://pypi.python.org/pypi/psycopg2)
- [pyquery](https://pypi.python.org/pypi/pyquery)
- [PyStemmer](https://pypi.python.org/pypi/PyStemmer)
- [stemming](https://pypi.python.org/pypi/stemming)
- [termcolor](https://pypi.python.org/pypi/termcolor)
- [tm](https://pypi.python.org/pypi/tm)
- [websocket-client](https://pypi.python.org/pypi/websocket-client)
- [wheel](https://pypi.python.org/pypi/wheel)
- [Whoosh](https://pypi.python.org/pypi/Whoosh)
- [xmltodict](https://pypi.python.org/pypi/xmltodict)


Slightly broken (build fine, but import tests fail)
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- [rpy2](https://pypi.python.org/pypi/rpy2)