HPCC-12411 Allow compressor used in DISTRIBUTe to be configurable

HPCC-12411 Allow compressor used in DISTRIBUTe to be configurable
    
Signed-off-by: Jake Smith <jake.smith@lexisnexis.com>
A separate commit, but you should consider switching to using counts instead of length prefixes since you then don't need to backpatch. (See HPCC-11047)