Squashed commit of the following:

commit 429ec3b31bc76d021d878b16a4e7d752f82504d1
Author: Andy R. Terrel <andy.terrel@gmail.com>
Date:   Wed Dec 18 14:32:42 2013 -0600

    Trying again

commit 33045868898cea2a4205b59be7fac2d0f4bfb595
Author: Andy R. Terrel <andy.terrel@gmail.com>
Date:   Wed Dec 18 12:29:04 2013 -0600

    use conda python

commit eb250b7d084ea0ab1302bc579dd67ccd719d4505
Author: Andy R. Terrel <andy.terrel@gmail.com>
Date:   Wed Dec 18 10:24:00 2013 -0600

    Add pyyaml

commit d79a4f27e23aed9629b41f4114c1b53a0394c042
Author: Andy R. Terrel <andy.terrel@gmail.com>
Date:   Wed Dec 18 09:17:33 2013 -0600

    Add pyparsing

commit b56af735ed133ac1e5693a4ca569f8d0170ade29
Author: Andy R. Terrel <andy.terrel@gmail.com>
Date:   Wed Dec 18 09:04:49 2013 -0600

    add conda init
Skip failing tests
Add flask and pyparsing in the jenkins scripts
Add pyyaml to the jenkins build scripts
Fix for python 2.6, unittest.skip doesn't exist
Remove cffi from the jenkins build script
Add BTestCase.assertLess for python 2.6 compatibility
Fixes for python 3
First preliminary verion of the CSV data descriptor
Added support for iterchunks
Added support for start and stop in iterchunks
Added support for append in CSV DD
Added support for getitem (with full slice)
Added a first version of the JSON DD
Added an example on opening a CSV file in Blaze
Added an example on how to open a JSON file in Blaze
Adding some docs about how to access CSV and JSON files
Added a temporary workaround for printing struct data
Added tests for opening CSV files
Added a simple open JSON test