Fix DRILL-926: Index out of bound exception when creating outgoing filter record batch when incoming SV mode is NONE.
Logging to track allocator initial reservation
Reset fragment allocation for each minor fragment
more logging in streaming agg
enable extra debug on stream agg
add additional logging messages.
Reset outputCount on each outgoing batch in Streaming Aggregate
Disable EXTRA_DEBUG in streaming agg
Fix an issue with keys output for multiple output batches of hash aggregate.
Make sure all minorFragments get work in scan
Update Data Collection and batch buffers to one or all streams for auto read depending on use.