Merge pull request #254 from IngmarKrusch/master

Berlin Sponsor update
change sponsor from citrix to cloudstack
Berlin 2013: Update program.
Adjust to reality.
Berlin 2013: Add Tarent AG as silver sponsor.
added thanks to AFS for Austin
Merge pull request #255 from drozer/master

apache cloudstack approved the sponsor
Merge pull request #257 from jbraeuer/master

Berlin 2013: Almost final program. Add silver sponsor Targent.
Finalize program.
Update proposals - 2 talks are ignites now.
updated cloudstack url
Merge pull request #258 from jbraeuer/master

Berlin 2013: Final program.
Adam Jacob DevOps+Agile=Business Transformation
Merge pull request #260 from rberger/DevopsAgileBusinessTransformation

Adam Jacob DevOps+Agile=Business Transformation
Merge pull request #261 from IngmarKrusch/master

Berlin CFP has ended, update index.html accordingly.
Merge pull request #262 from IngmarKrusch/master

Added details on how to livestream and record
DoDu 2013: Adding revised Andrew Shafer proposal
Berlin 2013: +1 ignite.
Merge pull request #263 from jbraeuer/master

Berlin 2013: Ignite update.
added happy hour, band/film info for Austin