better api use
doco
added ackRequired to header, will need to implement properly.  Assuming
no ack required for now.
added newly created chunk to sendAck API
Bugfix
added unique identifier to header for chunk grouping, small api changes,
experimenting with periodic data acquisition.
AbstractMediaReceiver -> AbstractChunkReceiver
Successfully reconstituting the images after KitchenSync improvements.
KitchenSync-core 2.3.5