old_contents: module.exports = function(grunt) {
  	'use strict';
  
  	grunt.config.merge({
  		watch: {
  			caoutchouc: {
  				files: ['Source/skin/**/**/*.less'],
  				tasks: ['less:caoutchouc']
  			}
  		}
  	});
  
  	grunt.loadNpmTasks('grunt-contrib-watch');
  
  	grunt.registerTask('default', ['watch']);
  };
  
new_contents: module.exports = function(grunt) {
      'use strict';
  
      grunt.config.merge({
          watch: {
              caoutchouc: {
                  files: ['Source/skin/**/**/*.less'],
                  tasks: ['less:caoutchouc']
              },
  	        browserify: {
  	            files: ['lib/**/*.js'],
  	            tasks: ['browserify:dist']
  	        }
          }
      });
  
      grunt.loadNpmTasks('grunt-contrib-watch');
  
      grunt.registerTask('default', ['watch']);
  };
  
subject: update task watch for browserify