Exclude older slf4j versions from the mongodb extension
Changing logging level of Rabbit SimpleMessageListenerContainer

- this avoids wrning message with stacktrace when container is shut down
XD-1216 Fix Serialization of ChunkContext fails using Kryo

* Add class XdChunkContextInfo
XD-1216a  Renamed XDChunkContextInfo

Renamed XDChunkContextInfo to ChunkContextInfo