Introduce PollingTradeHistory.createTradeHistoryParams factory method
implement examples for ANX, Coinsetter and Hitbtc
createTradeHistoryParams fix types
make parameter types public, add constructors [ci skip]
Add default implementation of TradeService.createTradeHistoryParams
[Kraken] Implement parametrized TradeService.getTradeHistory
Introduce root interface TradeHistoryParams, getTradeHistory(TradeHistoryParams)
Merge branch 'develop' into feature/tradehist-factory

Conflicts:
	xchange-btctrade/src/main/java/com/xeiam/xchange/btctrade/service/polling/BTCTradeTradeService.java
[OkCoin] add getTradeHistory(TradeHistoryParams) throwing NotYetImplementedException
getTradeHistory(TradeHistoryParams): Bitfinex, Bitstamp; update interfaces and implementations
TradeHistoryParams fix errors
Unmatched Cryptsy pair

Changed from
UNKNOWN_UNKNOWN/USD
to
null/null

More accurately represents the unmatched currency pair
Merge pull request #752 from zholmes1/develop

Unmatched Cryptsy pair
Fix comment
Trade builder
UserTrade builder
Merge pull request #753 from zholmes1/develop

Trade and UserTrade builders
Removed unnecessary import
Merge pull request #755 from zholmes1/develop

Removed unnecessary import
#754: Use a nonce that normally represents a quarter-second, but also increases with each call if necessary (for frequent requests).
TradeHistoryParams - rename Count to Paging as more general