Merge pull request #385 from DevOpsDaysDC/nathen/move_infozen

InfoZen is a gold sponsor, not Platinum [DC2016]

Author: phrawzty

data/events/2016-washington-dc.yml

@@ -106,7 +106,7 @@ sponsors: # List all of your sponsors here along with what level of sponsorship
   - id: ansible
     level: platinum
   - id: infozen
-    level: platinum
+    level: gold
   - id: dlt
     level: platinum
   - id: omniti