Fix Gruntfile to copy css files after sass (fixes #184)

Change-Id: I4ccb6e72b501e9b0a7f6897e084bb06f2357996d
diff --git a/Changes b/Changes
index df62487..ce00b06 100755
--- a/Changes
+++ b/Changes
@@ -25,6 +25,8 @@
         - Improve security of OAuth redirects. (diewald)
         - Improve error handling for non-redirect error responses.
           (diewald)
+        - Fix Gruntfile to copy css files after sass
+          (fixes #184; diewald)
 
         WARNING: Mojolicious 9.31 is a security update -
           updating is highly recommended.