Update credits for icon images

diff --git a/CREDITS b/CREDITS
index 9f8ccaf..8c3224a 100644
--- a/CREDITS
+++ b/CREDITS
@@ -1 +1 @@
-Clique icon taken from http://jessetalks.wordpress.com/2009/10/02/mouse-clipart-vector/
+Icons created by d87, winner of the Clique Icon Contest on WowInterface.com