[REQ !785] Manage Multiple DataSetMessage in PubSub UADP messages

Step 1 (coders):

• Code
• Compile
• unit tests update Step 2 (add DSM layer to configuration):
• Update configuration (XML):
  • move publisherId to connection level
  • add dataset between variable and message (properties: writer_id:U16 + optional version?)
  • add groupId and groupVersion at message level
• add support for groupId and groupVersion
• Update static configuration management
• Update Cache + static configuration examples
• Update tests (Tests must now define the groups/writers they want to decode so that they can receive messages)
• Add tests for new filter features

Closes #936 (closed) #945 (closed)

Relates to #837