Checking in changes prior to tagging of version 0.28.

Changelog diff is:

diff --git a/Changes b/Changes
index b136192..86d32ad 100644
--- a/Changes
+++ b/Changes
@@ -1,9 +1,12 @@
 Revision history for Perl extension Nephia

 {{$NEXT}}
+
+0.28 2013-07-08T05:58:20Z
         - refactor : modify setup more friendly for minilla
         - refactor : improved generation of cpanfile [papix]
         - bug fix : fix mojibake in config file [ichigotake]
+        - feature : add Setup::Git as an only one core flavor [papix]

 0.27 2013-07-06T17:07:26Z
         - refactor : add trigger "required_modules" in Nephia::Setup