Cleaned up adapters, updated adapters test, and misc. Kraken DTO
updates.
Complete JSON unit tests for private account and public market data.
Private trading JSON unit tests
Added raw demos for Kraken.
Merge remote-tracking branch 'upstream/develop' into develop-kraken

Conflicts:
	xchange-examples/src/main/java/com/xeiam/xchange/examples/kraken/marketdata/KrakenExchangeSymbolsDemo.java
	xchange-examples/src/main/java/com/xeiam/xchange/examples/kraken/marketdata/KrakenTradesDemo.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/KrakenOpenOrdersDemo.java
Format all project files.
Merge pull request #300 from jamespedwards42/develop-kraken

Complete Kraken Implementation with Tests and Demo's