Progress on coinbase raw authenticated methods.
Implemented Coinbase transactions methods.
Implemented Coinbase Button.
Implemented Order, Users and Tokens
Complete raw implementation of Coinbase.
Implemented XChange generic services for Coinbase.
Coinbase Demos & Copyright Headers.
Merge remote-tracking branch 'upstream/develop' into develop-coinbase

Conflicts:
	xchange-coinbase/src/main/java/com/xeiam/xchange/coinbase/Coinbase.java
	xchange-coinbase/src/main/java/com/xeiam/xchange/coinbase/CoinbaseAdapters.java
	xchange-coinbase/src/main/java/com/xeiam/xchange/coinbase/dto/marketdata/CoinbasePrice.java
	xchange-coinbase/src/main/java/com/xeiam/xchange/coinbase/dto/marketdata/CoinbaseRate.java
	xchange-coinbase/src/main/java/com/xeiam/xchange/coinbase/service/polling/CoinbaseMarketDataServiceRaw.java
Merging.
remove keys
Merge remote-tracking branch 'upstream/develop' into develop-coinbase
Updated api methods with @Consumes to  work with the latest rescu.
Merge pull request #320 from jamespedwards42/develop-coinbase

Coinbase Full Implementation & Demos