fixed
fixed groupIds
Merge branch 'develop'

Conflicts:
	README.md
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
Merge branch 'develop'
Merge pull request #108 from tom-muhm/develop

added CNC Currency and CurrencyPair CNC_BTC
added symbols
fixed CNC
Fix for https://github.com/timmolter/XChange/issues/107
StreamingAPI: Account info
Fix NPE
user_orders improved; Added lag; Added unsubscribe
Added lag, user orders list, user order
Account info
Orders can now be created and send over the websocket
Added user order added and wallet update msgs
Order can be canceled
Added socketMsgFactory.subscribeWithChannel()