added top level glue rules (<s> [S,1] </s>) glue rules to glue grammar extractor
added top level glue rules (<s> [S,1] </s>) glue rules to glue grammar extractor

joshua-decoder/thrax,jweese/thrax,joshua-decoder/thrax,tdomhan/thrax,joshua-decoder/thrax,joshua-decoder/thrax,tdomhan/thrax,jweese/thrax,tdomhan/thrax,jweese/thrax