Added Kraken ticker DTO, removed KrakenOrder class
Merge remote-tracking branch 'Raphael/kraken-DTOs' into kraken-polling-marketdata

Conflicts:
	xchange-kraken/src/main/java/org/xchange/kraken/Kraken.java
Ticker finished
KrakenTrades DTO (not sure if good solution)
Minor changes
Added kraken trades example JSON data
Code style
Merge remote-tracking branch 'Raphael/kraken-DTOs' into kraken-polling-marketdata
Merge branch 'kraken-polling-marketdata' into kraken-authenticated