   gulp.watch "./assets/stylus/**/*.styl", ['css:preview']
 
 
-gulp.task "clean:build", ->
+gulp.task "build:clean", ->
   return gulp.src('./build',{read:false})
           .pipe(clean())
 

      .pipe gulp.dest "./build/js"

gulp.task "js:sidenav:ref", ->
  return gulp.src "./templates/includes/js.jade", {base: "./"}
          .pipe rev_replace( { manifest: gulp.src("assets/rev_manifest/rev-manifest.json"), replaceInExtensions: ['.jade']} )
          .pipe gulp.dest "./"
    

      .pipe gulp.dest "./build/js"

gulp.task "js:video:ref", ->
  return gulp.src "./templates/vr-ar.jade"
          .pipe rev_replace( { manifest: gulp.src("assets/rev_manifest/rev-manifest.json"), replaceInExtensions: ['.jade']} )
          .pipe gulp.dest "./"

