Added support for Bitcurex private account getFunds call.
Since the authentication is now implemented, adding support for other
private API calls should be straight forward.
Merge branch 'develop' of https://github.com/pilotniq/XChange.git into develop

Conflicts:
	xchange-btce/src/test/java/com/xeiam/xchange/btce/service/marketdata/BTCETickerJSONTest.java
	xchange-mtgox/src/test/java/com/xeiam/xchange/mtgox/v1/service/MtGoxAdapterTest.java

Merge with upstream sync.
Merge branch 'develop' of https://github.com/pilotniq/XChange into develop

Conflicts:
	xchange-btce/src/test/java/com/xeiam/xchange/btce/v2/service/marketdata/BTCETickerJSONTest.java

Fix possible locale-dependent test result.