bugfix: creates filtered/ subdir for sentence-specific TMS if it doesn't exist
bugfix: creates filtered/ subdir for sentence-specific TMS if it
doesn't exist

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