cleanup coffee generated files
cleanup coffee generated files

closes github issue #10, thx @Magnetik!

ariutta/rdflib.js,ariutta/rdflib.js,timbl/rdflib.js,ariutta/rdflib.js,nicola/rdflib.js,redaktor/rdflib.js,redaktor/rdflib.js,timbl/rdflib.js,nicola/rdflib.js,timbl/rdflib.js