Update most modules to their latest versions, including Gulp to v4.0.2

Fix babel-core and babel-preset-env

Update all tasks to work in a Gulp v4.0.0 environment

Remove Babel from “lintJS” task and update all comments

Update example, cleanup the Gulp file, and make gulpfile.js more ES6 …

…friendly

Added ES6 support via Babel

Remove grid from example

Clean up gulpfile.js, removing JSON config object and adding support …

…for Edge