avoid bad symlinks in extract-parallel
avoid bad symlinks in extract-parallel

train-model seems to pass a non-absolute path for the
model/aligned-argument, and then extract-parallel creates a bad symlink

emjotde/mosesdecoder_nmt,hychyc07/mosesdecoder,alvations/mosesdecoder,moses-smt/mosesdecoder,moses-smt/mosesdecoder,hychyc07/mosesdecoder,tofula/mosesdecoder,KonceptGeek/mosesdecoder,KonceptGeek/mosesdecoder,emjotde/mosesdecoder_nmt,moses-smt/mosesdecoder,KonceptGeek/mosesdecoder,emjotde/mosesdecoder_nmt,tofula/mosesdecoder,emjotde/mosesdecoder_nmt,tofula/mosesdecoder,tofula/mosesdecoder,moses-smt/mosesdecoder,hychyc07/mosesdecoder,pjwilliams/mosesdecoder,pjwilliams/mosesdecoder,hychyc07/mosesdecoder,emjotde/mosesdecoder_nmt,tofula/mosesdecoder,alvations/mosesdecoder,emjotde/mosesdecoder_nmt,hychyc07/mosesdecoder,KonceptGeek/mosesdecoder,emjotde/mosesdecoder_nmt,KonceptGeek/mosesdecoder,hychyc07/mosesdecoder,alvations/mosesdecoder,pjwilliams/mosesdecoder,moses-smt/mosesdecoder,alvations/mosesdecoder,pjwilliams/mosesdecoder,hychyc07/mosesdecoder,pjwilliams/mosesdecoder,KonceptGeek/mosesdecoder,tofula/mosesdecoder,moses-smt/mosesdecoder,moses-smt/mosesdecoder,moses-smt/mosesdecoder,alvations/mosesdecoder,tofula/mosesdecoder,KonceptGeek/mosesdecoder,alvations/mosesdecoder,emjotde/mosesdecoder_nmt,alvations/mosesdecoder,moses-smt/mosesdecoder,moses-smt/mosesdecoder,alvations/mosesdecoder,pjwilliams/mosesdecoder,moses-smt/mosesdecoder,emjotde/mosesdecoder_nmt,hychyc07/mosesdecoder,KonceptGeek/mosesdecoder,KonceptGeek/mosesdecoder,emjotde/mosesdecoder_nmt,hychyc07/mosesdecoder,KonceptGeek/mosesdecoder,alvations/mosesdecoder,tofula/mosesdecoder,alvations/mosesdecoder,pjwilliams/mosesdecoder,tofula/mosesdecoder,pjwilliams/mosesdecoder,alvations/mosesdecoder,tofula/mosesdecoder,tofula/mosesdecoder,pjwilliams/mosesdecoder,hychyc07/mosesdecoder,pjwilliams/mosesdecoder