- Use babel for all files, allowing latest JavaScript features everywhere.
- Update build infrastructure and packages.

…y version is deprecated.

…obably reduce printWidth to 80cols recommendation ( https://prettier.io/docs/en/options.html#print-width )

…m jasmin to jest, migrate base-classes, migrate pattern-fullscreen, migrate test for pattern-fullscreen to ES6-modules imports

…lscreen-pattern, related base-libs and test

…ors on importing

These were the errors with Modernizr 3.7.1:
  ● Test suite failed to run

    :2
    }(requirejsVars.require, requirejsVars.requirejs, requirejsVars.define));
      ^

    ReferenceError: requirejsVars is not defined

      at exec (node_modules/requirejs/bin/r.js:62:23)
      at setBaseUrl (node_modules/requirejs/bin/r.js:30248:13)
      at node_modules/requirejs/bin/r.js:30338:9
      at Object.<anonymous> (node_modules/requirejs/bin/r.js:30427:2)