Update shinken/modules/zmq_broker.py
Update shinken/modules/zmq_broker.py

Serialize sets to lists for msgpack as well.
Use a custom encoder for both json and msgpack.
Reuse a Packer to encode with msgpack.
naparuba/shinken,h4wkmoon/shinken,gst/alignak,dfranco/shinken,staute/shinken_package,KerkhoffTechnologies/shinken,savoirfairelinux/shinken,lets-software/shinken,titilambert/alignak,naparuba/shinken,rednach/krill,rledisez/shinken,Alignak-monitoring/alignak,kaji-project/shinken,KerkhoffTechnologies/shinken,rednach/krill,staute/shinken_deb,Aimage/shinken,claneys/shinken,mohierf/shinken,Simage/shinken,geektophe/shinken,claneys/shinken,peeyush-tm/shinken,geektophe/shinken,KerkhoffTechnologies/shinken,fpeyre/shinken,tal-nino/shinken,naparuba/shinken,fpeyre/shinken,peeyush-tm/shinken,rledisez/shinken,geektophe/shinken,xorpaul/shinken,ddurieux/alignak,peeyush-tm/shinken,titilambert/alignak,geektophe/shinken,xorpaul/shinken,xorpaul/shinken,staute/shinken_package,ddurieux/alignak,lets-software/shinken,kaji-project/shinken,titilambert/alignak,xorpaul/shinken,mohierf/shinken,xorpaul/shinken,h4wkmoon/shinken,dfranco/shinken,peeyush-tm/shinken,claneys/shinken,savoirfairelinux/shinken,KerkhoffTechnologies/shinken,claneys/shinken,rednach/krill,rednach/krill,naparuba/shinken,lets-software/shinken,rledisez/shinken,staute/shinken_deb,naparuba/shinken,rednach/krill,dfranco/shinken,kaji-project/shinken,h4wkmoon/shinken,mohierf/shinken,gst/alignak,rednach/krill,titilambert/alignak,geektophe/shinken,dfranco/shinken,Simage/shinken,tal-nino/shinken,tal-nino/shinken,staute/shinken_deb,dfranco/shinken,mohierf/shinken,savoirfairelinux/shinken,Simage/shinken,h4wkmoon/shinken,tal-nino/shinken,claneys/shinken,ddurieux/alignak,xorpaul/shinken,gst/alignak,Aimage/shinken,Aimage/shinken,staute/shinken_package,fpeyre/shinken,staute/shinken_deb,ddurieux/alignak,xorpaul/shinken,KerkhoffTechnologies/shinken,fpeyre/shinken,geektophe/shinken,kaji-project/shinken,KerkhoffTechnologies/shinken,Aimage/shinken,rledisez/shinken,rledisez/shinken,savoirfairelinux/shinken,Aimage/shinken,h4wkmoon/shinken,staute/shinken_package,Alignak-monitoring/alignak,ddurieux/alignak,gst/alignak,savoirfairelinux/shinken,claneys/shinken,peeyush-tm/shinken,staute/shinken_package,kaji-project/shinken,lets-software/shinken,tal-nino/shinken,h4wkmoon/shinken,staute/shinken_deb,fpeyre/shinken,staute/shinken_package,h4wkmoon/shinken,savoirfairelinux/shinken,h4wkmoon/shinken,ddurieux/alignak,kaji-project/shinken,Simage/shinken,Simage/shinken,xorpaul/shinken,mohierf/shinken,mohierf/shinken,Simage/shinken,naparuba/shinken,Aimage/shinken,kaji-project/shinken,lets-software/shinken,lets-software/shinken,peeyush-tm/shinken,fpeyre/shinken,dfranco/shinken,rledisez/shinken,staute/shinken_deb,tal-nino/shinken