[gnome-builder] update credits

[Christian Hergert <chergert src gnome org>]

commit b53cafffb6e89dfeb0d9b1aa68fe205a8cda497b
Author: Christian Hergert <christian hergert me>
Date:   Thu Apr 28 01:39:02 2016 -0700

    update credits

 libide/ide-application-credits.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libide/ide-application-credits.h b/libide/ide-application-credits.h
index ea30867..3cda98a 100644
--- a/libide/ide-application-credits.h
+++ b/libide/ide-application-credits.h
@@ -84,6 +84,7 @@ static const gchar *ide_application_credits_authors[] = {
   "Jasper St. Pierre",
   "Joaquim Rocha",
   "Jonathon Jongsma",
+  "Jürg Billeter",
   "Jordi Mas",
   "Kalev Lember",
   "Kjartan Maraas",