libupnpp: Add libupnpp-0.9.0 to the packages repository

This library is a wrapper of libupnp written in C++. It is a dependency of
upmpdcli.

Signed-off-by: Petko Bordjukov <bordjukov@gmail.com>
Merge pull request #624 from ignisf/add-libupnpp

libupnpp: Add libupnpp-0.9.0 to the packages repository