lisp: use more legible colors on dark backgrounds

On dark backgrounds, the color for the current transaction makes the
text quite unreadable. Let's use a darker color in this case. Maybe some
other colors could be adjusted.
Merge pull request #259 from vincentbernat/fix/dark-background

lisp: use more legible colors on dark backgrounds

Merged. I will forward any complaints your direction.
Fix man page typo
Update old FSF address
Merge pull request #261 from jamielinux/fsf-address

Update old FSF address
Merge pull request #260 from jamielinux/manpage

Fix man page typo