[tldoc] [tldev] Thai moved to langother

[Karl Berry]

    Since Thai was moved from CJK to collection-langother we need at least
    a small correction in all .po files, 

Right.  I changed the *.tlpsrc descriptions, *.po should change tonight,
I hope.

    and perhaps changed stdcoll.png for texlive-* doc.

I don't think it's important enough to update, but if you feel
differently, go right ahead :).

(I wish we could just get away from these exact screenshots in the first
place.  The details of those images do not matter to people reading the
documentation, they have the live screens if they want them ...)

k