Merge pull request #510 from jamespedwards42/develop

Fix BTCChina Market Data API Endpoint.
Removed redundant System.out from BitMarketAdapters
Merge pull request #512 from kpysniak/bitmarket

Removed redundant System.out from BitMarketAdapters
Bitfinex market orders through common interface
Merge pull request #514 from jheusser/bitfinex_marketorders

Bitfinex market orders through placeMarketOrder
Dynamically load cryptonit trading pairs.
Add trade id back to cryptsy public trades.
Add spot price history back to coinbase after rescu fix.