Downgrading to Python 2.7

[sudorandom]

Due to the current state of eventlet and gevent, it appears that the best deployment strategy at the moment (evented: http://docs.gunicorn.org/en/latest/design.html#choosing-a-worker-type) has to involve Python 2.7. However, Jumpgate currently exclusively works with Python 3.

I don't believe we're using too much that is exclusive to Python 3.3 currently. The biggest things that come to mind are:

• Not using __init__.py files
• Relative imports

Main libraries:

• Requests (Supports 2.6, 2.7, 3.3)
• SoftLayer bindings (Supports 2.6, 2.7, 3.3)
• Falcon (Supports 2.6, 2.7, 3.3)

[beittenc]

There are also some notes in the documentation that specifically reference Python 3.3, so we'll need to update that as well.

[sudorandom]

Finished.