got basics of octo-maker working
Merge branch 'octo-maker' of github.com:simonwgill/octo-llama
implemented real process spawning
Added twitter listeners, processors and effectors.
Switch llama to use binary pickle.
Merge branch 'twitter' of https://github.com/simonwgill/octo-llama into twitter
Added sendmail to effector and tested with octo_maker.