This reverts commit 2c1c885e.

Whitelist <li role="separator">...</li>
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Refs https://www.w3.org/Bugs/Public/show_bug.cgi?id=27120
Refs #15263

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http://crbug.com/175502 is fixed in Chrome 40 and has been closed.
But Windows is still broken due to http://crbug.com/438064 ,
  which is open and currently targeting Chrome 41.

Center .icon-prev and .icon-next in carousel

Add .media-object in docs

[ci skip]

Update devDependencies

Add a target to generate the gh-pages files.

Fixes to scope

Add CSS source maps reference to docs. Closes #15211

Remove redundant .../blob/master/ prefix in markdown.

Fix copy/paste error

- update distribution file list with relevant files
- add a short reference to CSS source map purpose
- add link to Google Chrome developer network article

Center .icon-prev and .icon-next the same way .glyphicon icon are.
And this is the html markup:
<a class="left carousel-control" href="#carousel-main-menu" role="button" data-slide="prev">
<span class="icon-prev" aria-hidden="true"></span>
</a>

Remove #12548's entry from the Wall of Browser Bugs
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Since https://crbug.com/346051 has been closed as WontFix.
Bug is now documented in MDN:
    https://developer.mozilla.org/en-US/docs/Web/HTML/Element/Input$compare?locale=en-US&to=698785&from=693137
Refs #12548

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