Script handles of `false` are properly treated as meta groups. `true` does not work.

props SergeyBiryukov.
fixes #26525.

Built from https://develop.svn.wordpress.org/trunk@26848


git-svn-id: http://core.svn.wordpress.org/trunk@26735 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Bump Twenty Fourteen to 1.0.

props lancewillett.
fixes #26522.

Built from https://develop.svn.wordpress.org/trunk@26849


git-svn-id: http://core.svn.wordpress.org/trunk@26736 1a063a9b-81f0-0310-95a4-ce76da25c4cd