Bug#813094: Split braille support into a separate package

[Samuel Thibault <sthibault@debian.org>]

Hello,

Yuri D'Elia, on Fri 29 Jan 2016 12:46:45 +0100, wrote:
> It would be nice if you could split off braille support into a separate
> package, as originally mentioned in #808057.

Again, splitting into a separate package makes it more difficult to
people to find it. People who already have a hard time using a computer.

> On top of that, since scripts themselves can probe if louis is not available,
> there's no need for the dependency and fallback mechanism: just
> probe for liblouisutdml-bin directly, or quit otherwise.

We could lower the liblouis-bin dependency to a Recommends only indeed,
so that it gets pulled by default, but not made mandatory.

Samuel