util.js
function (source, destination)
    {
      gulp.src(source)
        .pipe(conflict(destination))
        .pipe(gulp.dest(destination));
    }
function (source, destination)
    {
      gulp.src(source)
        .pipe(conflict(destination))
        .pipe(gulp.dest(destination));
    }
Recursivley copy a folder to a given destination, if there are conflicts prompt the user.
@param source
@param destination