Restyle the plugin install details modal to match the rest of the admin. Props avryl and paulwilde for initial mockup, see #26952

git-svn-id: https://develop.svn.wordpress.org/trunk@27559 602fd350-edb4-49c9-b593-d223f7449a82
Avoid PHP notices in Media Library if an attachment parent post type no longer exists.

props wpsmith.
fixes #27439.

git-svn-id: https://develop.svn.wordpress.org/trunk@27560 602fd350-edb4-49c9-b593-d223f7449a82
In Recent Posts widget set default number to 5.

props afercia.
fixes #27417.

git-svn-id: https://develop.svn.wordpress.org/trunk@27561 602fd350-edb4-49c9-b593-d223f7449a82
Return false from metadata_exists() if the get_$type_metadata filter returns a false value.

props xknown.
fixes #22746.


git-svn-id: https://develop.svn.wordpress.org/trunk@27562 602fd350-edb4-49c9-b593-d223f7449a82
Cap and theme support checks for the welcome panel.

props MikeHansenMe.
fixes #26276.


git-svn-id: https://develop.svn.wordpress.org/trunk@27563 602fd350-edb4-49c9-b593-d223f7449a82
Comments dashboard widget: Use the proper class to avoid stretched "unapproved" red lines.

fixes #26910.


git-svn-id: https://develop.svn.wordpress.org/trunk@27564 602fd350-edb4-49c9-b593-d223f7449a82
In is_serialized(), use substr() rather than array access, for compatibility with multibyte overloading.

props SergeyBiryukov.
fixes #18007.


git-svn-id: https://develop.svn.wordpress.org/trunk@27565 602fd350-edb4-49c9-b593-d223f7449a82
Filesystem: Fix getchmod() for direct and ssh2 transports, for directories.

props DavidAnderson.
fixes #26598.


git-svn-id: https://develop.svn.wordpress.org/trunk@27566 602fd350-edb4-49c9-b593-d223f7449a82
Use get_comment_link() in wp_notify_postauthor().

Fixes pagination for the link directly to the moderated comment.

props eatingrules.
fixes #26133.


git-svn-id: https://develop.svn.wordpress.org/trunk@27567 602fd350-edb4-49c9-b593-d223f7449a82
Avoid notices in wp_notify_postauthor() when a post has no author.

props drozdz.
fixes #26659.


git-svn-id: https://develop.svn.wordpress.org/trunk@27568 602fd350-edb4-49c9-b593-d223f7449a82