old_contents: console.log('Node version: ' + process.version);
  
  var gulp   = require('gulp');
  var concat = require('gulp-concat'); 
  var gulpUt = require('gulp-util');
  var rename = require('gulp-rename');  
  var uglify = require('gulp-uglify'); 
  
  //script paths
  var jsFiles = [ 'lineMath.js', 'data.js', 'game.js' ],  
      jsDest  = '.';
  
  gulp.task('default', function() {  
      return gulp.src(jsFiles)
               .pipe(concat('dist.js'))
               .pipe(gulp.dest(jsDest))
               .pipe(rename('dist.min.js'))
               .pipe(uglify()).on('error', gulpUt.log)
               .pipe(gulp.dest(jsDest));
  });
  
new_contents: console.log('Node version: ' + process.version);
  
  var gulp   = require('gulp');
  var concat = require('gulp-concat'); 
  var gulpUt = require('gulp-util');
  var rename = require('gulp-rename');  
  var uglify = require('gulp-uglify'); 
  
  //script paths
  var jsFiles = [ 'lineMath.js', 'data.js', 'game.js' ],  
      jsDest  = '.';
  
  gulp.task('default', function() {  
      return gulp.src(jsFiles)
               .pipe(concat('jquery.find-a-word.js'))
               .pipe(gulp.dest(jsDest))
               .pipe(rename('jquery.find-a-word.min.js'))
               .pipe(uglify()).on('error', gulpUt.log)
               .pipe(gulp.dest(jsDest));
  });
  
subject: change dist filenames