Twenty Fourteen: correct `$query` usage in `Featured_Content::pre_get_posts()`, props SergeyBiryukov, fixes #26064.

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Make the item-controls elements on the Edit Menus page line up; use :before instead of :after for item-edit icons for better cross-browser performance; switch to :after instead of ::after for pseudo-elements so IE8 displays these icons properly. Fixes #26059, props jeremyfelt.


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Correctly capitalize WP_Query in Featured_Content::pre_get_posts() inline docs. see #26064.
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Twenty Fourteen: simplify tags output in content templates, props nacin. See #26093.
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