Sc.recipe.staticresources

------------------

- Nothing changed yet.

------------------

- Respect Plone external URL (closes `44 <https://github.com/simplesconsultoria/sc.recipe.staticresources/issues/44>`_).
[rodfersou]

- Fixes on Karma tests.
[rodfersou]

------------------

- Replace deprecated ``cssnext`` module with `PostCSS Preset Env`_ (closes `37 <https://github.com/simplesconsultoria/sc.recipe.staticresources/issues/37>`_).
[rodfersou]

- Include `HardSourceWebpackPlugin`_ in default configuration;
this plugin provides an intermediate caching step for modules that can speed up bundle generation up to 70% (closes `49 <https://github.com/simplesconsultoria/sc.recipe.staticresources/issues/49>`_).
[rodfersou]

- Fix typo on resources viewlet template.
[rodfersou]

------------------

- Fix in JavaScript helper.
[rodfersou]

------------------

- Fix node package version.
[rodfersou]

------------------

- Use a callback to fine tune the configuration at javascript helper.
[rodfersou]

- Review to add Sprite plugin just if necessary.
[rodfersou]

- Review to add SCSS files just if necessary.
[rodfersou]

- Use script async by default.
[rodfersou]

- Fix library definition to work with Plone 5.
[thet, rodfersou]

- Emit current package version in package.json configuration (closes `40 <https://github.com/simplesconsultoria/sc.recipe.staticresources/issues/40>`_).
[rodfersou]