issue  #286
added the java doc for orderId
droped the old constructor
no comment
Merge branch 'develop' of github.com:timmolter/XChange into develop

Conflicts:
	xchange-examples/src/main/java/com/xeiam/xchange/examples/kraken/marketdata/KrakenExchangeSymbolsDemo.java
	xchange-examples/src/main/java/com/xeiam/xchange/examples/kraken/trading/KrakenCancelOrderDemo.java
	xchange-examples/src/main/java/com/xeiam/xchange/examples/kraken/trading/KrakenLimitOrderDemo.java
	xchange-examples/src/main/java/com/xeiam/xchange/examples/kraken/trading/KrakenMarketOrderDemo.java
	xchange-kraken/src/main/java/com/xeiam/xchange/kraken/KrakenAdapters.java