MBR reranking reads from stdin, writes to stdout
MBR reranking reads from stdin, writes to stdout

Instead of having to specify the files on the command line, just use I/O
redirection. I think this is much better and cleaner, but I suppose it
could be a matter of personal preference. Probably breaks the pipeline
script, too, at the moment.

kpu/joshua,thammegowda/incubator-joshua,kpu/joshua,lukeorland/joshua,lukeorland/joshua,thammegowda/incubator-joshua,lukeorland/joshua,thammegowda/incubator-joshua,lukeorland/joshua,thammegowda/incubator-joshua,thammegowda/incubator-joshua,fhieber/incubator-joshua,gwenniger/joshua,gwenniger/joshua,thammegowda/incubator-joshua,fhieber/incubator-joshua,lukeorland/joshua,gwenniger/joshua,gwenniger/joshua,kpu/joshua,kpu/joshua,fhieber/incubator-joshua,kpu/joshua,lukeorland/joshua,thammegowda/incubator-joshua,lukeorland/joshua,fhieber/incubator-joshua,lukeorland/joshua,fhieber/incubator-joshua,thammegowda/incubator-joshua,kpu/joshua,fhieber/incubator-joshua,thammegowda/incubator-joshua,gwenniger/joshua,gwenniger/joshua,fhieber/incubator-joshua,thammegowda/incubator-joshua,fhieber/incubator-joshua,fhieber/incubator-joshua,lukeorland/joshua