Checking in changes prior to tagging of version v0.6.8.

Changelog diff is:

diff --git a/Changes b/Changes
index e044782..db257d8 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension Minilla

 {{$NEXT}}

+v0.6.8 2013-09-22T10:28:05Z
+
+    - Better license support in minil.toml.
+      (tokuhirom)
+
 v0.6.7 2013-09-19T04:16:29Z

     - license field in prulal field.