percona-server: memcached plugin option.

Closes #24640.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
youtube-dl 2013.11.25.1

Closes #24641.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
jenkins 1.541

Closes #24644.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>