Introduce a meta_box_cb argument for register_taxonomy().

The specified callback function is used as the meta box callback for the taxonomy.

props garyc40, helen.
fixes #14206.

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Improve inline documentation of arguments for `comment_form()`.

See #25388.

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Set up author data for the author template immediately, rather than waiting for the first the_post() call.

This removes the need to call the_post() and rewind_posts() in an author template to print information about the author.

props obenland.
fixes #14408.

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git-svn-id: http://core.svn.wordpress.org/trunk@25491 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Inline documentation for `comment_form()` argument defaults missed in [25573].

See #25388.

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git-svn-id: http://core.svn.wordpress.org/trunk@25492 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Pass $taxonomies to two more filters in get_terms().

props johnbillion.
fixes #18754.

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git-svn-id: http://core.svn.wordpress.org/trunk@25493 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Introduce a bulk_post_updated_messages filter.

props johnbillion for initial patch.
fixes #18710.

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git-svn-id: http://core.svn.wordpress.org/trunk@25494 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In wp_count_posts(), rename 'count_posts' hook to 'wp_count_posts', for clarity. see #16603.

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git-svn-id: http://core.svn.wordpress.org/trunk@25495 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Introduce a wp_count_attachments filter.

props kevinB.
fixes #17071.

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