bup: fix 10.10 build
perl: make build-time tests optional.

Closes #33119.

Signed-off-by: Tim D. Smith <git@tim-smith.us>
hydra: build against libssh by default

It's a good idea to add the libssh dependency so that Hydra can work over ssh.
hydra: update 8.0 bottle.

Closes #33106.

Signed-off-by: Tim D. Smith <git@tim-smith.us>
youtube-dl 2014.10.12
youtube-dl: update 2014.10.12 bottle.