temporarily remove https from scalaio

we have a technical issue with https and our hosting, the https link is down at
the moment ..

Author: jeantil

events/_posts/2016-10-27-scalaio.md

@@ -6,5 +6,5 @@ location: Lyon, France
 description: Beginner to advanced user  Scala and FP conference in France
 start: 27 October 2016
 end: 28 October 2016
-link-out: https://scala.io/
+link-out: http://scala.io/
 ---