Checking in changes prior to tagging of version 0.17.

Changelog diff is:

diff --git a/Changes b/Changes
index c6705af..9f001f3 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,9 @@ Revision history for Archer

 {{$NEXT}}

+0.17 2013-08-08T12:25:01Z
+    - update Changes to satisfy CPAN::Changes::Spec
+
 0.16 2013-07-25T06:32:29Z
     - fix asset_dir resolving in ConfigLoader
     - restore ShareDir missing in 0.14 and move asset/ to share/asset for Minilla friendly.