Fix labels on installation screen.

props avryl.
fixes #28548.
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git-svn-id: http://core.svn.wordpress.org/trunk@28572 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Prevent get_post_class() and get_body_class() from returning duplicate classes.

props Compute.
fixes #28541.
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git-svn-id: http://core.svn.wordpress.org/trunk@28573 1a063a9b-81f0-0310-95a4-ce76da25c4cd
`wptexturize()` adjustments:
* Only place an apostrophe before a number when it has exactly two digits.
* Never match '99' with the single prime pattern.
* Always assume '99' is an abbreviated year at the end of a quotation.
* Add unit tests.
* Resolves the unit test broken in [28721] for #8775.

See #26850.

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git-svn-id: http://core.svn.wordpress.org/trunk@28574 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add Unit Tests for i18n and `wptexturize()`. Don't confuse closing single quotes and apostrophes.

See #27426.

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git-svn-id: http://core.svn.wordpress.org/trunk@28575 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add unit tests to confirm that `---` is properly converted to `&#8212;` by `wptexturize()` where appropriate.

Props miqrogroove.
Fixes #28483.

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git-svn-id: http://core.svn.wordpress.org/trunk@28576 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `wptexturize()`, adjust for the treatment of abbreviated years at the end of quotations.
Silence some unit tests that have never passed and may no longer be applicable.

Props miqrogroove.
Fixes #18549.

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git-svn-id: http://core.svn.wordpress.org/trunk@28577 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix abbreviations mixed with quotes, example: `'99% of people'`.
Add/alter unit tests.

Props miqrogroove.
Fixes #26850.

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git-svn-id: http://core.svn.wordpress.org/trunk@28578 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Prevent bulk actions from being performed when Filter button is clicked.

props layotte.
fixes #28555.
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git-svn-id: http://core.svn.wordpress.org/trunk@28579 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Pass WP_Customize_Setting instance to 'customize_preview_*' and 'customize_update_*' actions.

props dustyn, DrewAPicture.
fixes #27979.
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git-svn-id: http://core.svn.wordpress.org/trunk@28580 1a063a9b-81f0-0310-95a4-ce76da25c4cd
TinyMCE: update to 4.0.28+. Includes all changes until 09-06-2014: https://github.com/tinymce/tinymce/tree/32cb108d41b27265c60a8bc1f62855fdfb61e486. Changelog: https://github.com/tinymce/tinymce/blob/32cb108d41b27265c60a8bc1f62855fdfb61e486/changelog.txt.
See #28391.
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git-svn-id: http://core.svn.wordpress.org/trunk@28581 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Pass WP_Customize_Setting instance to 'customize_save_*' action.

props danielbachhuber.
fixes #27979.
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git-svn-id: http://core.svn.wordpress.org/trunk@28582 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Don't generate adjacent links in wp_head() for attachments.

props kovshenin.
fixes #21658.
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git-svn-id: http://core.svn.wordpress.org/trunk@28583 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Don't add # to URL when clicking 'OK' without changing the permalink.

props avryl.
fixes #27594.
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git-svn-id: http://core.svn.wordpress.org/trunk@28584 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Revert [28766].

see #28555.
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git-svn-id: http://core.svn.wordpress.org/trunk@28585 1a063a9b-81f0-0310-95a4-ce76da25c4cd