Merge two different descriptions of siteurl and home options. fixes #22771.

git-svn-id: http://core.svn.wordpress.org/trunk@23363 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Only show "There is a pending change of your e-mail..." message on the current user's profile page. fixes #23146.

git-svn-id: http://core.svn.wordpress.org/trunk@23364 1a063a9b-81f0-0310-95a4-ce76da25c4cd
PHPDoc fixes and additions. props bananastalktome, DrewAPicture. fixes #23313.

git-svn-id: http://core.svn.wordpress.org/trunk@23365 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Select "Attribute all posts to..." radio button automatically when selecting a username from the dropdown. fixes #23224.

git-svn-id: http://core.svn.wordpress.org/trunk@23366 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Properly check if the custom header/background has been initialized. fixes #23170. see #22246.

git-svn-id: http://core.svn.wordpress.org/trunk@23367 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Correct the documentation for balanceTags(). Remove unnecessary boolean inversion. props TobiasBg. fixes #22537.

git-svn-id: http://core.svn.wordpress.org/trunk@23368 1a063a9b-81f0-0310-95a4-ce76da25c4cd
New icons take one, props empireoflight, see #23333

git-svn-id: http://core.svn.wordpress.org/trunk@23369 1a063a9b-81f0-0310-95a4-ce76da25c4cd
New icons: make the .icon32 container larger to prevent clipping, see #23333

git-svn-id: http://core.svn.wordpress.org/trunk@23370 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Posts screen: show when a post is "locked", hide the checkbox, Quick Edit and Trash links, props dh-shredder, see #23312

git-svn-id: http://core.svn.wordpress.org/trunk@23371 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Clean up rendering of the title column in the posts list table. Simplify branching. Use get_userdata() rather than get_user_by( 'id' ). Change string to '%s is currently editing'. see #23312.


git-svn-id: http://core.svn.wordpress.org/trunk@23372 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Ensure we have a charset before calling mb_internal_encoding(), avoiding an unnecessary (if suppressed) warning. props dfavor. fixes #23093.



git-svn-id: http://core.svn.wordpress.org/trunk@23373 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Return WP_Error from wp_crop_image() if saving has failed. props macbrink. fixes #23325.

git-svn-id: http://core.svn.wordpress.org/trunk@23374 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Update Backbone.js to 0.9.10. props aaronholbrook, fixes #23262.



git-svn-id: http://core.svn.wordpress.org/trunk@23375 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Update to Services_JSON 1.0.3. props bpetty. fixes #21568.



git-svn-id: http://core.svn.wordpress.org/trunk@23376 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Stop recommending the init hook in the _doing_it_wrong() message for too-early scripts and styles. Instead, recommend the three _enqueue_scripts hooks. If they're noticing they are doing it wrong, let's push them to 100% correct, not partly correct.

see #22896.



git-svn-id: http://core.svn.wordpress.org/trunk@23377 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Do not allow accidental or negligent deregistering of critical scripts in the admin. (Defined for now as jQuery and jQuery UI.) Show minimal remorse if the correct hook is used. see #22896.



git-svn-id: http://core.svn.wordpress.org/trunk@23378 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Mark the string for translation. see #22896.

git-svn-id: http://core.svn.wordpress.org/trunk@23379 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Confirm a user exists before deleting them in wp_delete_user() and wpmu_delete_user(). props scribu, fixes #23067.



git-svn-id: http://core.svn.wordpress.org/trunk@23380 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Maintain theme screenshot aspect ratio on the update screen. props cochran. fixes #23164.


git-svn-id: http://core.svn.wordpress.org/trunk@23381 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Heartbeat API: throttle down when the window looses focus or when the user is inactive, always send 'screen_id', change the interval settings to 'fast' (5sec), 'standard' (15sec) and 'slow' (60sec), the interval can be changed from PHP, see #23216

git-svn-id: http://core.svn.wordpress.org/trunk@23382 1a063a9b-81f0-0310-95a4-ce76da25c4cd