Merge pull request #4 from timmolter/develop

Merge changes from TimMolter:Develop
Added method to check for WS connection state
Added comments to clarify getWebSocketStatus
Merge branch 'develop' of https://github.com/ObsessiveOrange/XChange into develop

Conflicts:

	xchange-core/src/main/java/com/xeiam/xchange/service/streaming/BaseWebSocketExchangeService.java
Moved documentation to imterface
Merge pull request #467 from ObsessiveOrange/develop

Minor WebSocket clarifications