flush if VarBinary out of space
flush continued
make partitioner capacity configurable
add license to run.sh
rpc semaphore debugging
Parquet files now read by column, rather than buffer an entire row group, some tests the were inadvertently broken were fixed as well.
add parquet read performance test
Modify Parquet reader to reduce copies
Add cached file system for pure decode test.
update scanners
buffered reader
buffer size configurable
merge conflict