Merge pull request #273 from jbraeuer/master

Berlin 2013: 1 more ignite.
Merge pull request #275 from jbraeuer/master

Berlin 2013: Add Idealo as sponsor. Disable Gold Sponsor paypal button.
CFP closed
cleaned retailmenot logo
Merge pull request #276 from IngmarKrusch/master

Berlin CFP has ended, update the site accordingly.
updated from programfile
Upgraded Netways from silver to gold
typo corrected
Update index.html

Added ignite talk of Alxeander Schwartz
Merge pull request #278 from YadavRavi/patch-1

Update index.html
Paris 2013 - reactions, slides and upcoming videos

Here's all the slide deck I could find, along with the blog post reactions
about Paris 2013. We'll also link the video from this page when those will
be available.

Signed-off-by: brice <brice@daysofwonder.com>
Paris 2013 - Added @zepag pictures of the 1st day
Merge pull request #279 from masterzen/paris-reactions-slides

Paris 2013 - reactions, slides and upcoming videos
remove adrian's talk
add talks from Sam Newman
Merge pull request #280 from gergnz/master

Remove Adrian's talk, and add Sam's.
merged with upstream
Merge pull request #277 from IngmarKrusch/master

Berlin Sponsor update for Netways
Christian Beedgen: Arm your DevOps Team with Big Data. Submitted by Alyssa McManmon <amcmanmon@trainercomm.com>
Brett Gailey: Continuous Integration with Packages  A Not So Scary Deployment Model