use correct flag for unicorn pidfile

using a -p flag with Unicorn will cause leaking of TCP sockets
one does not simply rearrange a dict
add flag for running a specific gunicorn

unicorn and gunicorn differ on the flag supplied for a pidfile

this leads to the unfortunate scenario of having to treat each one like a special little flower.

bummer
Merge pull request #7 from ewdurbin/full_gunicorn

Full gunicorn