add schedule specific boxes
add schedule specific boxes
pinax/symposion,TheOpenBastion/symposion,toulibre/symposion,euroscipy/symposion,python-spain/symposion,pydata/symposion,toulibre/symposion,mbrochh/symposion,faulteh/symposion,pyconca/2013-web,pyohio/symposion,miurahr/symposion,pydata/symposion,TheOpenBastion/symposion,python-spain/symposion,euroscipy/symposion,mbrochh/symposion,pyconau2017/symposion,NelleV/pyconfr-test,pyconau2017/symposion,pyconca/2013-web,faulteh/symposion,miurahr/symposion,NelleV/pyconfr-test,pinax/symposion,pyohio/symposion