Revert r26593 so Available and Inactive widgets are once again collapsible. Make the arrows only appear on hover when uncollapsed. Fixes #26327, props nacin.


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Twenty Fourteen: fix broken selector, props celloexpressions. See #26212. [This IE browser no le gusta chile, ese.]
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Temporarily switch to a pinned version of grunt-cssjanus. This in turn temporarily pins cssjanus to a patched fork.

fixes #26181, #26182.

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Restore original properties of the right now (activity) and primary (news) dashboard widgets.

This avoids issues with those trying to remove/disable core meta boxes.

fixes #26392.

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Restore min-width for toolbar menus. This allows the menus to expand to the width of the element above them.

props nvwd.
fixes #26389.

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