buildroot

python-flask-jsonrpc: new package

Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Reviewed-by: Yegor Yefremov <yegorslists@googlemail.com>
[Thomas:
 - make python-flask a runtime dependency only, as noticed by Yegor
   Yefremov.
 - use setup.py as the license file.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>