Update year in copyright text to 2014

Change-Id: Ic7fb61aabae1d515b9e6baf3dd003807ff42da60
diff --git a/docs/change-log.md b/docs/change-log.md
index 6c9a197..46191c3 100644
--- a/docs/change-log.md
+++ b/docs/change-log.md
@@ -165,4 +165,4 @@
 
 - - - - - - - - - - - - - - - - - - - - - - - - - -
 
-_Copyright (c) 2013, ARM Limited and Contributors. All rights reserved._
+_Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved._