make sure all orders add liquidity only

correctly account for our order size in liquidity limitations #2

change liquidity logic to cumulative orders #2

add supervisor scripts

fix enough_liquidity startup bug

added liquidity-miniting logic #2

add ability to tell whether our order is top of the book #3

Add a larger comment to RELIST_INTERVAL

Remove user/pass authorization, which has been disabled in the API

Merge pull request #3 from hubavka/patch-1

Update market_maker.py

Note user/password auth is no longer supported

fix(http): Fix error handling on python 3

Improve position stubbing

Allow importing individual symbol settings