Less 2.1.1 conflicts with RequireJS

[kirill-konshin]

Less data attributes parsing feature conflicts with RequireJS's data-main attribute on line JSON.parse(tag.dataset[opt]) because tag.dataset[opt] is not JSON, it is a link to another JS file:

<script data-main="js/main.js" src="bower/requirejs/require.js" type="text/javascript"></script>

See: PR #2243 (comment) - Support reading less options from its script tag data attributes

[kirill-konshin]

Somehow magically issue can be fixed if I add one extra script tag, even empty:

<script data-main="js/main.js" src="bower/requirejs/require.js" type="text/javascript" defer="defer"></script>
<script defer="defer"></script>

[lejenome]

This PR #2315 should fix it

[lukeapage]

Sorry should have done a release sooner. I've done v2.1.2 - report back here if its not fixed.