HtmlBlock card and Travis build fixes#93

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ak84ak wants to merge 3 commits intoAlexays:masterfrom

ak84ak:htmlblock-card-2020-03-16

Commits on Mar 16, 2020

Fix Ukrainian translation
ak84ak
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Commits on Mar 17, 2020

Add HtmlBlock card to allow custom HTML in cards. Fix eslint issues for npm and sass issues for yarn.
ak84ak
committed

Commits on Mar 18, 2020

Remove unnecessary layout (user could use own if needed)
ak84ak
committed