Checking in changes prior to tagging of version v0.4.7.

Changelog diff is:

diff --git a/Changes b/Changes
index 4476e35..bc1b630 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,12 @@ Revision history for Perl extension Minilla

 {{$NEXT}}

+v0.4.7 2013-06-04T21:44:45Z
+
+    - Set PERL_CPANM_HOME for cpanm-reporter in test case.
+      Ref https://github.com/garu/App-cpanminus-reporter/issues/3
+      (tokuhirom)
+
 v0.4.6 2013-06-01T05:35:12Z

     - Remove xt/spelling.t while migrating