Merge pull request #342 from parkerd/master

Update Atlanta sponsor paypal buttons to have better descriptions
Program fixes
Merge pull request #343 from awolfs/master

Program fixes
Add speaker bio for one of the proposals
Merge pull request #344 from uric/master

Add speaker bio to one of the proposals
Next attempt at the program
Merge pull request #345 from awolfs/master

Amsterdam program fixes
Typo #1
Merge pull request #346 from awolfs/master

Typo...
better timing
Merge pull request #347 from awolfs/master

Later start on saturday
added Xebialabs MV 2013 - Silver
10gen - Silver sponsor DoD MV
mozilla silver sponsor DoD MV
Add Berlin 2013 to the past events.
Merge pull request #348 from jbraeuer/master

Berlin 2013: Add to past events.
Wallpaper
Merge pull request #349 from awolfs/master

DoD AMS Wallpaper
publish our programmegit status
Merge pull request #350 from gergnz/master

Add our programme!