parallelize.rb: proper command line arguments
parallelize.rb: proper command line arguments

pks/cdec-dtrain-legacy,kho/mr-cdec,pks/cdec-dtrain-legacy,kho/mr-cdec,pks/cdec-dtrain-legacy,kho/mr-cdec,kho/mr-cdec,pks/cdec-dtrain-legacy,kho/mr-cdec,pks/cdec-dtrain-legacy,pks/cdec-dtrain-legacy,kho/mr-cdec