Context for the signup_hidden_fields hooks.

props jeremyfelt, Cimmo.
fixes #19451.

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Introduce a reset_postdata() method on the WP_Query object, which wp_reset_postdata() now wraps.

props ericlewis.
fixes #24785.

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git-svn-id: http://core.svn.wordpress.org/trunk@25518 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add classes to menus to indicate that an item has sub-items: `.menu-item-has-children` for `wp_nav_menu()` and `.page_item_has_children` for `wp_page_menu()`. props hotchkissconsulting. fixes #23834.

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Twenty Fourteen: Genericons minor style adjustments, props iamtakashi. See #25085.
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git-svn-id: http://core.svn.wordpress.org/trunk@25520 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fourteen: simplify header image check, props obenland. See #25400.
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When is_main_query() is called during the pre_get_posts hook, issue _doing_it_wrong().

The is_main_query() WP_Query method should be used in these instances instead.
see #23329.

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git-svn-id: http://core.svn.wordpress.org/trunk@25522 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Introduce wp_get_user_contact_methods() as a public version of _wp_get_user_contactmethods.

props johnnyb.
fixes #24273.

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Initialize the filter globals.

props rmccue.
fixes #25378.

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git-svn-id: http://core.svn.wordpress.org/trunk@25524 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Make sure the attachment file exists before calling filesize() on it. props DrewAPicture. fixes #25170.

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git-svn-id: http://core.svn.wordpress.org/trunk@25525 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Clarify inline documentation for the return in `get_attached_file()`.

Fixes #25409.

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git-svn-id: http://core.svn.wordpress.org/trunk@25526 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fourteen: redo the featured image background pattern with CSS plus minor style adjustments.  Props iamtakashi, fixes #25300. This also fixes #25363, props buffler.
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git-svn-id: http://core.svn.wordpress.org/trunk@25527 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fourteen: fix gap beneath header image, props taupecat. Fixes #25404.
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git-svn-id: http://core.svn.wordpress.org/trunk@25528 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fourteen: fixes for accent color functionality, props celloexpressions. See #25220.

 * Apply the primary accent color to the current-time indicator for the `mediaelements` players.
 * Fix instances of the custom accent color CSS overriding white or black link colors that should have no text-color change on hover.
 * Remove text color from main navigation hover states for submenus and from main navigation top-level items.
 * Change the background color a bit more on hover for main navigation submenus.
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Twenty Fourteen: accessibility fix for allowing the search button in the toolbar to be focused with the keyboard. Props joedolson and sabreuse, see #25054.
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Twenty Fourteen: remove unused images, following r25610. See #25300.
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Use the wpdb method instead of $wpdb->prefix.

props hakre.
fixes #16756.

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git-svn-id: http://core.svn.wordpress.org/trunk@25532 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Don't rely on include_path to include files.

Always use dirname() or, once available, ABSPATH.

props ketwaroo, hakre.
fixes #17092.

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git-svn-id: http://core.svn.wordpress.org/trunk@25533 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Clean up the path calculations in wp::parse_request().

props evansolomon for initial cleanup.
fixes #22209.

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git-svn-id: http://core.svn.wordpress.org/trunk@25534 1a063a9b-81f0-0310-95a4-ce76da25c4cd
'sanitize_user' is a filter, not an action. fixes #25411.
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