Checking in changes prior to tagging of version v0.3.1.

Changelog diff is:

diff --git a/Changes b/Changes
index 9e9fdf3..d5819d6 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,13 @@ Revision history for Perl extension Minilla

 {{$NEXT}}

+v0.3.1 2013-05-02T07:38:53Z
+
+    - Regenerate Build.PL/README.md before release, automatically
+      (tokuhirom)
+    - Deny Foo::Bar style name in minil.toml.
+      (tokuhirom)
+
 v0.3.0 2013-05-02T00:42:00Z

     - Support MANIFEST.SKIP