Checking in changes prior to tagging of version 0.03.

Changelog diff is:

diff --git a/Changes b/Changes
index f590a50..67bdb0d 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension OrePAN2

 {{$NEXT}}

+0.03 2013-05-19T22:30:11Z
+
+    - Support plain text index generation on library interface.
+      (tokuhirom)
+
 0.02 2013-05-10T03:21:53Z

     - Support no_index