translators: fix your "open source" mistranslations

[Graham Percival]

I have a bit more information about the terminology problems.
Although the English website is relatively ok (I remember
specifically thinking about "free software vs. open source" while
writing it -- but Janek should still fix the little bits I
missed), some translations are wrong.

For example,

On Sun, May 06, 2012 at 11:30:19AM -0400, John Darrington wrote:
> My system happens to be set up in a German locale, so  I see the German
> translations by default.  On the front page I see:
> 
>   LilyPond ist ein Open Source-Programm 
> 
> In fact it seems that in many (all?) places  "Free Software" has been 
> mistranslated as "Open Source".

"Free software" and "open source" do not mean the same thing; if
in doubt, find some official GNU guide on translations or
something.


We have historically not had much to do with GNU, but it seems
that we're moving into an era where we have closer ties.  This
will mean a bit of extra administrative work to match unavoidable
GNU policies.

- Graham