Instructions for the Maintainer

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 PREPARING A RELEASE - first steps, command line
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- Create a dedicated branch for the release;

  git checkout master
  git checkout -b release_4.X.X

- Run basic npm security checks;

  npm audit fix

- update version

  src/js/core/mejs.js:mejs.version = '4.x.x';
  package.js: version: '4.x.x',

- check with shell command;

  egrep "version:|mejs.version =" package.js src/js/core/mejs.js

- Update changelog.md

- Build release;

  grunt

- add/commit/push all including build/

  git add --all
  git commit -am "release 4.X.X"
  git push


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 PREPARING A RELEASE - second step on github.com
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- prepare a new release using changelog.md

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 PREPARING A RELEASE - third step on npmjs.com
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