Merge pull request #168 from jbraeuer/master

Berlin 2013: 1 more proposal.
fixed Rob England's talk
Merge branch 'master' of github.com:jedi4ever/devopsdays-webby
new sponsor Amsterdam byte.nl
Merge pull request #170 from drozer/master

New sponsor Byte.nl for Amsterdam
program update Paris
fix bitbrains
Merge pull request #171 from drozer/master

bitbrains fix for Amsterdam BBQ
fixed title of Potter talk