sysbench: fix URL

Fixes #33131.
hydra: use libssh optionally.
youtube-dl 2014.10.13

Also add zsh completion.
youtube-dl: update 2014.10.13 bottle.

Closes #33132.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
mesos: don't use internal zookeeper on Yosemite.

Closes #32965.
mesos: update 0.20.1 bottle.

Closes #32988.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
libebur128: don't pass non-existent option to speex dep

Fixes #33140.
subliminal 0.7.4 (new formula)

Useful Python subtitling library.
subliminal: add 0.7.4 bottle.

Closes #33147.

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

Update homepage and download links to new location, change formatting
of make command, change single quotes to double.
ragel 6.9

Update to latest stable release, remove obsolete patch.
ragel: add test
ragel: add 6.9 bottle.

Closes #33130.

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