Merge pull request dgarijo#717 from dgarijo/develop

updating pom version

Merge pull request dgarijo#701 from dgarijo/develop

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Merge pull request dgarijo#692 from dgarijo/develop

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Merge pull request dgarijo#689 from dgarijo/develop

version update

Merge pull request dgarijo#666 from dgarijo/develop

Version 1.4.21

Merge pull request dgarijo#628 from dgarijo/develop

Fix for rules

Merge pull request dgarijo#590 from dgarijo/develop

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Merge pull request dgarijo#581 from dgarijo/develop

Fix mixed content in css from WebVOWL

Merge pull request dgarijo#512 from dgarijo/develop

Github actions set up by @renefritze

Merge pull request dgarijo#501 from dgarijo/develop

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