[server/schemaserial] fix extra_props on py3k json.dumps returns unicode, and json.load eats unicode, so add explicit encoding/decoding.

#! /bin/sh -e

if [ -x "/etc/init.d/cubicweb-ctl" ]; then
    invoke-rc.d cubicweb-ctl restart || true
fi
 
 
#DEBHELPER#
 
exit 0