Checking in changes prior to tagging of version 0.24.

Changelog diff is:

diff --git a/Changes b/Changes
index 4ad39e7..31935ce 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension OrePAN2

 {{$NEXT}}

+0.24 2014-02-27T20:50:53Z
+
+    - Added OrePAN2::Repository
+      (tokuhirom)
+
 0.23 2014-02-27T19:01:17Z

     - Fixed testing issue