Remove <br> elements for HTML5 galleries.

props obenland.
fixes #27637, see #26697.


git-svn-id: https://develop.svn.wordpress.org/trunk@27914 602fd350-edb4-49c9-b593-d223f7449a82
Fix copy/paste error in [27710].

props kovshenin.
fixes #21969.

git-svn-id: https://develop.svn.wordpress.org/trunk@27915 602fd350-edb4-49c9-b593-d223f7449a82
Remove old links_recently_updated_* DB options that never had a UI.

fixes #27649.


git-svn-id: https://develop.svn.wordpress.org/trunk@27916 602fd350-edb4-49c9-b593-d223f7449a82
Edit Image modal:
- Fix issue with adding a link to an image that didn't have one previously.
- Adjust the look-and-feel of the advance options toggle so that it becomes a section heading that can be open/closed.
- Add a Custom Size option to the size drop-down that reveals fields for soft-resizing the image inserted into the post.
Props gcorne, and props sdasse for the design help, see #27366

git-svn-id: https://develop.svn.wordpress.org/trunk@27918 602fd350-edb4-49c9-b593-d223f7449a82
TinyMCE:
- Bring back loading of /langs/[locale].js and /langs/[locale]_dlg.js from PHP. Prevents errors with missing translation files when custom plugins use requireLangPack() without second argument.
- Back to using ISO 639-1 (two letter) locales as the locale is used as part of the translation file name.
See #24067, fixes #27610

git-svn-id: https://develop.svn.wordpress.org/trunk@27922 602fd350-edb4-49c9-b593-d223f7449a82
Database: Add $allow_bail argument to wpdb::check_connection() to match the connect method.

props DrProtocols, pento.
fixes #27240.


git-svn-id: https://develop.svn.wordpress.org/trunk@27925 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Thirteen and Fourteen: style to support the new HTML5 line-break-less galleries. Props obenland, see #27637.

git-svn-id: https://develop.svn.wordpress.org/trunk@27926 602fd350-edb4-49c9-b593-d223f7449a82
TinyMCE: update translatable strings, see #27453, #24067

git-svn-id: https://develop.svn.wordpress.org/trunk@27927 602fd350-edb4-49c9-b593-d223f7449a82
Background Updates: Fix a PHP Warning caused by a Upgrader instance being passed into the Theme & Plugin $extra_stats parameter. See #27633


git-svn-id: https://develop.svn.wordpress.org/trunk@27928 602fd350-edb4-49c9-b593-d223f7449a82
Use multiplication sign instead of a colon for selection size when editing an image.

props siobhan.
fixes #27652.

git-svn-id: https://develop.svn.wordpress.org/trunk@27931 602fd350-edb4-49c9-b593-d223f7449a82
Fix styling for plugin update details Thickbox.

see #26952.

git-svn-id: https://develop.svn.wordpress.org/trunk@27932 602fd350-edb4-49c9-b593-d223f7449a82
Plupload wrapper: Call init callback on PostInit event.
Fixes the background image uploader in Customizer, which was broken after [27316].

fixes #27620.

git-svn-id: https://develop.svn.wordpress.org/trunk@27933 602fd350-edb4-49c9-b593-d223f7449a82
TinyMCE: improve setting disabled/enabled/activated states on the Unlink button, fixes #27309

git-svn-id: https://develop.svn.wordpress.org/trunk@27934 602fd350-edb4-49c9-b593-d223f7449a82
Database: Fall back from ext/mysqli to ext/mysql if the connection fails.

This allows us to avoid breaking a site that works under ext/mysql but is misconfigured for ext/mysqli.

props pento.
see #21663.


git-svn-id: https://develop.svn.wordpress.org/trunk@27935 602fd350-edb4-49c9-b593-d223f7449a82
Themes: Hide 'Add New' with no JS. see #27055.


git-svn-id: https://develop.svn.wordpress.org/trunk@27936 602fd350-edb4-49c9-b593-d223f7449a82
Theme Installer: Fix sorting, counts, keyboard navigation; add prev/next to previews.

props matveb.
see #27055.


git-svn-id: https://develop.svn.wordpress.org/trunk@27937 602fd350-edb4-49c9-b593-d223f7449a82
Fix typo in verify_file_md5() description. see [25541].

props siobhan.
see #27651.

git-svn-id: https://develop.svn.wordpress.org/trunk@27938 602fd350-edb4-49c9-b593-d223f7449a82
Clarify tooltips on Edit Image screen.

props siobhan.
fixes #27651.

git-svn-id: https://develop.svn.wordpress.org/trunk@27939 602fd350-edb4-49c9-b593-d223f7449a82
Theme Installer: Center spinner, remove plural string.

fixes #27581. see #27055.


git-svn-id: https://develop.svn.wordpress.org/trunk@27940 602fd350-edb4-49c9-b593-d223f7449a82
TinyMCE: better calculation for editor height when switching Text to Visual and back. Add stopping of editor resizing when the mouse leaves the browser window. See #27279

git-svn-id: https://develop.svn.wordpress.org/trunk@27941 602fd350-edb4-49c9-b593-d223f7449a82