Merge pull request #719 from drozer/master

new silver sponsor Google Cloud
updates bio for Patrice Willemot
Merge pull request #720 from ksatirli/master

updates bio for Patrice Willemot
Adding talks

Brian Nuszkowski - Handling The Rush
Charles Butler - Automating orchestration in the cloud with Ubuntu Juju
Merge pull request #721 from littleidea/pitt

Adding talks
[ljubljana 2014] add special sponsors
Merge pull request #722 from extraordinaire/master

[ljubljana 2014] add special sponsors
registration is open