Merge pull request #1070 from jbraeuer/master

Add Kreuzwerker as Gold sponsor for Berlin 2014.
Add Customer Service, Chef, and Ansible talks for Chicago
Merge pull request #1071 from DevOpsDaysChicago/master

Add Customer Service, Chef, and Ansible talks for Chicago
Added more TLV 2014 talks
Merge pull request #1072 from avishai-ish-shalom/2014-tlv-submissions

Added more TLV 2014 talks