bumped to dev19 for next release
bumped to dev19 for next release

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