Prepare 1.3.1 release.

wichert · wichert · commit cf49ba438dee · 2013-05-06T09:05:21.000+02:00
diff --git a/changes.md b/changes.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## 1.3.1 - Unreleased
+## 1.3.1 - Released May 6, 2013
 
 - Collapsible pattern: add a new `slide-horizontal` transition.
 
