gulp.task('jade', function() {
    gulp.src(properties.folders.src + '/views/*.jade')
        .pipe(jade({
            pretty: true
        }))
    .on('error', onError)
        .pipe(gulp.dest(properties.folders.build))
    .on('end', function(){
      gulp.src(properties.folders.build + '/**/*.html')
        .pipe(connect.reload());
    });
});