Use es.through instead of es.map
Use es.through instead of es.map

See https://github.com/gulpjs/gulp/issues/75#issuecomment-31581317

Partial results for continue-on-error behaviour.
contra/gulp-coffee,wearefractal/gulp-coffee,dereke/gulp-pogo,typicode/gulp-coffee,t3chnoboy/gulp-coffee-es6,coffee-void/gulp-coffee,develar/gulp-coffee,doublerebel/gulp-iced-coffee,steveluscher/gulp-coffee,halhenke/gulp-coffee,leny/gulp-coffee,stevelacy/gulp-coffee,mattparlane/gulp-coffee,jrolfs/gulp-coffee