Twenty Thirteen: remove mention of `twentythirteen_comment()` in PHPDoc, props zeo. Closes #24482.


git-svn-id: http://core.svn.wordpress.org/trunk@24401 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Thirteen: Clean up image attachment template and move logic to `twentythirteen_the_attached_image()` function. Props obenland, fixes #24479.


git-svn-id: http://core.svn.wordpress.org/trunk@24402 1a063a9b-81f0-0310-95a4-ce76da25c4cd