[Bittrex] fix ordering of bids
[anx] change nonce to LongTimeNonceFactory
Remove (c) and @author from a class
Merge pull request #620 from rafalkrupinski/anx-valuefactory

[ANX] Change nonce to LongTimeNonceFactory
Merge pull request #619 from sutra/develop

Fix requestDepositAddress in BTCChinaAccountDemo, the currency should not be null.
bitfinex orderbook default size changed to be consistent with default XChange behavior
Merge branch 'develop' of github.com:timmolter/XChange into develop
[BTCChina] Do not handle the error of canceling order in raw service, so that we can return false when the order already completed(error code = -32026).
Merge pull request #621 from sutra/btcchina_cancel_order

[BTCChina] returns false if the canceling order already completed rather than throws ExchangeException.