Properly force variable to an array. props Viper007Bond, fixes #15407.

git-svn-id: http://svn.automattic.com/wordpress/trunk@16395 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Bump wplink version. see #11420.

git-svn-id: http://svn.automattic.com/wordpress/trunk@16396 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Minify wplink js. see #11420

git-svn-id: http://svn.automattic.com/wordpress/trunk@16397 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Internal linking UI updates. see #11420.

git-svn-id: http://svn.automattic.com/wordpress/trunk@16398 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Internal linking functionality updates. Scrap pagination for a river of results. props koopersmith, see #11420.

git-svn-id: http://svn.automattic.com/wordpress/trunk@16399 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Update some @since tags. Props demetris. Fixes #15438

git-svn-id: http://svn.automattic.com/wordpress/trunk@16400 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Use user_trailingslashit in get_author_posts_url(). fixes #15441.

git-svn-id: http://svn.automattic.com/wordpress/trunk@16401 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Don't pollute the 'tax_query' query var. See #12891

git-svn-id: http://svn.automattic.com/wordpress/trunk@16402 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Revert taxonomy.php part of [16402]. Not fully backed yet. See #12891

git-svn-id: http://svn.automattic.com/wordpress/trunk@16403 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Revert [16402] outright. Causes issues with themes. See #12891

git-svn-id: http://svn.automattic.com/wordpress/trunk@16404 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Revert the TinyMCE spellchecker to its old behaviour, update to tinymce_spellchecker_php_2_0_3, fixes #15268

git-svn-id: http://svn.automattic.com/wordpress/trunk@16405 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove unnecessary message in network/settings. see #14435

git-svn-id: http://svn.automattic.com/wordpress/trunk@16406 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Improve internal linking river feedback. props koopersmith, see #11420.

git-svn-id: http://svn.automattic.com/wordpress/trunk@16407 1a063a9b-81f0-0310-95a4-ce76da25c4cd
More updates to post.js. see [16248].

git-svn-id: http://svn.automattic.com/wordpress/trunk@16408 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Revert changes to wptexturize() until test cases pass. Reverts [16280], [16378]. see #4539 and #15241.

git-svn-id: http://svn.automattic.com/wordpress/trunk@16409 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Minor get_meta_sql() cleanup. See #9124

git-svn-id: http://svn.automattic.com/wordpress/trunk@16410 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix arin whois link. props ozh. @todo consider its removal. see #15281.

git-svn-id: http://svn.automattic.com/wordpress/trunk@16411 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Deprecate update_category_cache(). Fixes #15446

git-svn-id: http://svn.automattic.com/wordpress/trunk@16412 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Optimize get_tax_sql(). See #12891

git-svn-id: http://svn.automattic.com/wordpress/trunk@16413 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Re-introduce ->tax_query as a read-only var. See #12891

git-svn-id: http://svn.automattic.com/wordpress/trunk@16414 1a063a9b-81f0-0310-95a4-ce76da25c4cd