Upload ptlib in unstable

[Eugen Dedu]

Hi,

Please upload the newest ptlib in unstable (or check it before too).  As 
usually, the soname changed, so it should pass through the new queue.

I had to remove dc and avc plugins, they do not compile anymore.  They 
need a rewrite.  For info:

"Just as an FYI Fedora has had AVC disabled for quite a while (since
well before ekiga 3) and had no bug reports or complaints." (from 
http://mail.gnome.org/archives/ekiga-devel-list/2009-February/msg00138.html)

As soon as ptlib is installed on all architectures, we can push opal too 
(I have a small commit to do before).  I think it's better, elsewhere we 
come again to the situation where opal was building and failed, because 
ptlib had not yet been uploaded.

-- 
Eugen