Update some of the TinyMCE help text to be more accurate. Props SergeyBiryukov. fixes #21108

git-svn-id: http://core.svn.wordpress.org/trunk@21182 1a063a9b-81f0-0310-95a4-ce76da25c4cd
load-importer-$importer hook. props simonwheatley. fixes #21071.



git-svn-id: http://core.svn.wordpress.org/trunk@21183 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Check if array key exists in wp_list_filter(). props wpsmith. fixes #20929.



git-svn-id: http://core.svn.wordpress.org/trunk@21184 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add NOT EXISTS to meta queries, allowing you to query for the non-existence of a meta key.

You could already use EXISTS by omitting a value to check.

props georgestephanis, scribu
fixes #18158



git-svn-id: http://core.svn.wordpress.org/trunk@21185 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove old code unsetting a few variables in wp-settings.php. fixes #21115.

git-svn-id: http://core.svn.wordpress.org/trunk@21186 1a063a9b-81f0-0310-95a4-ce76da25c4cd
urldecode() search strings that come in from /search/foo. props SergeyBiryukov. fixes #13961

git-svn-id: http://core.svn.wordpress.org/trunk@21187 1a063a9b-81f0-0310-95a4-ce76da25c4cd
border-right-color: none; should be border-right-color: transparent; props sabreuse. fixes #20587

git-svn-id: http://core.svn.wordpress.org/trunk@21188 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Standardize our "View Post" new-tab/no-new-tab behavior. Committed this thirtieth day of June, Anno Domini MMXII. May peace and good sense forever reign in this realm. Uh... Amen.

props SergeyBiryukov. fixes #11406.

git-svn-id: http://core.svn.wordpress.org/trunk@21189 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Compress scripts/styles: 3.5-alpha-21190.

git-svn-id: http://core.svn.wordpress.org/trunk@21190 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Prevent child categories from being visually promoted to the top level after Quick Edit. props ssamture. fixes #19474

git-svn-id: http://core.svn.wordpress.org/trunk@21191 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Prevent child pages from being visually promoted to the top level after Quick Edit. props ssamture. fixes #18615

git-svn-id: http://core.svn.wordpress.org/trunk@21192 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Don't output empty class names or ones with leading/trailing spaces. props MattyRob for the initial patch. fixes #20698.

git-svn-id: http://core.svn.wordpress.org/trunk@21193 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Don't use switch_to_blog() in wp.getUsersBlogs to improve performance and memory footprint. props mohanjith for initial patch. fixes #20665.

git-svn-id: http://core.svn.wordpress.org/trunk@21194 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Cap checks in the upgrader so we do not show links the user cannot access. props linuxologos for the initial patch. see #19824.

Also fixes a rare fatal error when theme_info is not set when updating a theme that is already up to date.



git-svn-id: http://core.svn.wordpress.org/trunk@21195 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Have the correct screen icon in place when the top level Plugins menu is plugin-install.php. This occurs when the user can install but not activate plugins. see #19824.

git-svn-id: http://core.svn.wordpress.org/trunk@21196 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Cap checks for links in the upgrader, for plugins. fixes #19824.



git-svn-id: http://core.svn.wordpress.org/trunk@21197 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Enforce multisite plugins menu preference in map_meta_cap(). This means a simple current_user_can('activate_plugins') check will handle the 'Enable administration menus' setting.

Remove bogus checks for enabling/disabling the 'themes' menu (something core does not handle out of the box) when in the network admin.

fixes #21123.



git-svn-id: http://core.svn.wordpress.org/trunk@21198 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Allow the 'WordPress Updates' page to be accessible even if you cannot update core, as long as you can update plugins or themes. fixes #21124.



git-svn-id: http://core.svn.wordpress.org/trunk@21199 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Un-indent after [21198]. see #19824.

git-svn-id: http://core.svn.wordpress.org/trunk@21200 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove more code not specific to updating core from core_upgrade_preamble(). fixes #21124.

git-svn-id: http://core.svn.wordpress.org/trunk@21201 1a063a9b-81f0-0310-95a4-ce76da25c4cd