Avoid 404 for wp-activate.php.

props nullvariable.
fixes #24960.

Built from https://develop.svn.wordpress.org/trunk@25690


git-svn-id: http://core.svn.wordpress.org/trunk@25606 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Send current SSL status to the plugin information API endpoint so we can render screenshots over SSL if appropriate. fixes #11009.

Built from https://develop.svn.wordpress.org/trunk@25691


git-svn-id: http://core.svn.wordpress.org/trunk@25607 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Append -src to the $wp_version in the develop repo (only) to allow for us to differentiate. see #25161.

Built from https://develop.svn.wordpress.org/trunk@25692


git-svn-id: http://core.svn.wordpress.org/trunk@25608 1a063a9b-81f0-0310-95a4-ce76da25c4cd