xspringies: fix man placement

Fixes an audit error. No test block possible due to launching x11 way
too eagerly.

Closes #8.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
xspringies: add 1.12 bottle.
xdu: fix homepage/url breakage

Comments in the formula explain. Homepage/URL have been dead for, well,
years apparently. We could probably boneyard it, but since Debian and
Ubuntu have working links, keeping it around isn’t too odious.
xdu: add 3.0 bottle.