[WIP] Added setup.py.  

`python setup.py install` now calls cmake, and make and installs python package csympy.  It works but it's missing some info and may need some better error handling/checking.  Addresses half of #160
On Thu, Jul 10, 2014 at 11:14 AM, Peter Brady <notifications@github.com>
wrote:

> In .travis.yml:
>
> > @@ -46,6 +46,26 @@ matrix:
> >      - python: 3.3
> >        env:
> >          - WITH_PYTHON="yes"
> > +    - python: 2.6
> > +      env:
> > +        - TEST_IN_TREE="yes"
> > +	- PYTHON_INSTALL="yes"
>
> I suppose we could do a make clean
>
Actually you need to do "git clean -dfx", to remove any cmake files from
the previous build. I don't see any problem with that.