Merge pull request #811 from drozer/master

new talk by bol.com for Amsterdam
Merge pull request #812 from drozer/master

new gold sponsor Amsterdam Arista Networks
Updated Steve Corona and Bruce Wong's proposals
Merge pull request #813 from rberger/sv_proposal_tweaks_04_30_00

Updated Steve Corona and Bruce Wong's proposals
Merge branch 'master' of https://github.com/jedi4ever/devopsdays-webby

forgot to pull before push
Merge pull request #814 from drozer/master

Steven Meunier new talk on rundeck
Merge branch 'master' of https://github.com/jedi4ever/devopsdays-webby

like i said, firts pull than push
new talk by Stephen de Vries