Move plugin details link into the description area.

fixes #17902.

Built from https://develop.svn.wordpress.org/trunk@29371


git-svn-id: http://core.svn.wordpress.org/trunk@29149 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Language chooser imporvements.
 * Use a translated 'Continue' string.
 * Go back to using a select element.
 * Only show a spinner when we're installing a language. 

see #28577.

Built from https://develop.svn.wordpress.org/trunk@29372


git-svn-id: http://core.svn.wordpress.org/trunk@29150 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Media modal: use the same classes to hide the "or" that is above the "Select files" button when no drag-drop support. See #28851.
Built from https://develop.svn.wordpress.org/trunk@29373


git-svn-id: http://core.svn.wordpress.org/trunk@29151 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Language chooser: Adjust continue button alignment.

Built from https://develop.svn.wordpress.org/trunk@29374


git-svn-id: http://core.svn.wordpress.org/trunk@29152 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Use wp_normalize_path() in plugins_url().

props paulschreiber.
fixes #29058.
Built from https://develop.svn.wordpress.org/trunk@29375


git-svn-id: http://core.svn.wordpress.org/trunk@29153 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Media modal/grid: remove thumbnail resizing from JS, only keep setting number of columns. Props avryl, see #27423.
Built from https://develop.svn.wordpress.org/trunk@29376


git-svn-id: http://core.svn.wordpress.org/trunk@29154 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Verify the MAC earlier in WP_Customize_Widgets. props duck_.

Built from https://develop.svn.wordpress.org/trunk@29377


git-svn-id: http://core.svn.wordpress.org/trunk@29155 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Disable external entities in ID3.

Built from https://develop.svn.wordpress.org/trunk@29378


git-svn-id: http://core.svn.wordpress.org/trunk@29156 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Media modal/grid: get the proper .attachment width in arrow navigation. Props avryl, see #27423.
Built from https://develop.svn.wordpress.org/trunk@29379


git-svn-id: http://core.svn.wordpress.org/trunk@29157 1a063a9b-81f0-0310-95a4-ce76da25c4cd
TinyMCE: add support for `class` attribute on the caption shortcode. Part props knutsp, kadamwhite, fixes #28951.
Built from https://develop.svn.wordpress.org/trunk@29380


git-svn-id: http://core.svn.wordpress.org/trunk@29158 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Avoid PHP notices in wp-login.php if password reset cookie is not set.

props mdawaffe.
see #29060.
Built from https://develop.svn.wordpress.org/trunk@29381


git-svn-id: http://core.svn.wordpress.org/trunk@29159 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Constant time for wp_verify_nonce().

Built from https://develop.svn.wordpress.org/trunk@29382


git-svn-id: http://core.svn.wordpress.org/trunk@29160 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Media modal/grid: fix the position of attachment icons, restore the background, fix in ie8. See #27423.
Built from https://develop.svn.wordpress.org/trunk@29393


git-svn-id: http://core.svn.wordpress.org/trunk@29171 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Escape late in get_avatar().

Built from https://develop.svn.wordpress.org/trunk@29397


git-svn-id: http://core.svn.wordpress.org/trunk@29175 1a063a9b-81f0-0310-95a4-ce76da25c4cd